商鋪名稱：寧波秉圣工業技術有限公司
聯系人：劉洋（小姐）
聯系手機：
固定電話：
企業郵箱：3004617895@qq.com
聯系地址：寧波高新區清水橋路611號華城國際3號樓1701室
郵編：
聯系我時，請說是在線纜網上看到的，謝謝！
DL31-3-D-C/E1-3-160哈威手動換向閥，德國原裝*，*保證原裝*，假一賠十
DL31-3-D-C/E1-2-160
DL31-3-B-C/E1-3-160
DL41-3-D-C/E1-3-160
DL31-3-B-C/E1-3-160
DL31-3-D-C/E1-2-160
DL31-3-B-C/E1-2-160
DL31-3-GD-B/E2-2-200
DL31-3-DD-C/E1-2-160
DL31-3-DD-C/E1-3-160
DL31-3-GD-B/E2-2-200
DL31-3-DDD-B/E2-2-160
| DL41-3-D-C/E1-3-160 |
| DL31-3-GD-B/E2-2-200 |
DL31-3-DD-CE1-2-160
DL31-3-G-B/E1-130
DL21-2-G-B/F2-3-70
DL41-3D-C/E1-2-160
DL41-3D-C/E1-3-160
DL41-3G-B/E2-2-130
DL41-3G-B/E2-2-130
DL31-3-B-C/E1-2-160
DL41-3-D-C/E1-2-160
DL35-3-EGGGE-B/F2-2
DL31-3-G-B/E1-3-300
熱烈祝賀2013年4月已在歐美成立了自己的合資公司作為采購平臺。
寧波思承流體技術有限公司*德國哈威HAWE液壓控單向閥 哈威HAWE平衡閥 HAWE哈威壓力閥 哈威HAWE溢流閥 HAWE哈威卸荷閥 HAWE哈威減壓閥 HAWE哈威換向閥等哈威液壓產品
寧波思承流體技術有限公司是一家服務中國冶金行業、油田行業及工程機械的液壓公司, 有設計和制造液壓系統的工廠。
SG 型和 SP 型換向閥有兩種結構形式，即帶和不帶溢流閥的 SG 型管接式和 SP
型板式安裝閥，并有5種規格。 它們均可用來控制不同執行元件（諸如液壓電動
機和液壓缸）的運動方向。
此種結構堅固耐用的換向閥能配置各種不同的操縱方式， 滿足各種應用場合的要
求（例如：船舶、行走液壓機械）。
特征及優點：
1. 結構堅固
2. 在海洋環境下同樣得到保證
3. 多種操縱方式
使用范圍：
1. 礦山機械
2. 起重機械和升降機械
3. 船舶
4. 路面車輛制造
2013年4月已在德國成立了自己的合資公司作為采購平臺。公司已擁有哈威HAWE，勝凡SUNFAB，比利BIERI，力士樂REXROTH、派克PARKER、威格士VICKERS、HYDAC賀德克、MOOG、MAHLE等進口品牌穩定的國外合作伙伴，質量和貨期都可以得到保證。我們堅持“誠信、專業、共贏”經營理念，走“原裝*”路線，*保證質量，假一賠十，同時，倉庫備有大量現貨，歡迎廣大客戶及供應商來公司考察。
DL31-3-DD-CE1-2-160
DL31-3-G-B/E1-130
DL21-2-G-B/F2-3-70
DL41-3D-C/E1-2-160
DL41-3D-C/E1-3-160
DL41-3G-B/E2-2-130
DL41-3G-B/E2-2-130
DL31-3-B-C/E1-2-160
DL41-3-D-C/E1-2-160
DL35-3-EGGGE-B/F2-2
DL31-3-G-B/E1-3-300
DL41-3-D-C/E1-3-160
DL41-3-D-C/E1-2-160
DL35-3-EGGGE-B/F2-2
DL31-3-G-B/E1-3-300
DL31-3-D-C/E1-2-160
DL31-3-B-C/E1-3-160
DL41-3-D-C/E1-3-160
DL31-3-B-C/E1-3-160
DL31-3-D-C/E1-2-160
DL31-3-B-C/E1-2-160
DL31-3-GD-B/E2-2-200
DL31-3-DD-C/E1-2-160
DL31-3-DD-C/E1-3-160
DL31-3-GD-B/E2-2-200
DL31-3-DDD-B/E2-2-160
DL11-1-GGGG-B/E1-2-100
DL35-3-DDX6GX5G-B/E1-2
DL11-1-GGGG-B/E1-2-100
DL35-3-DDX6GX5G-B/E1-2
DL21-2-GGGGG-B/E1-2-250
DL31-3-DDDDDG-B/E1-2-160
DL31-3-DDDDGGD-B/E1-2-160
DL31-3-DDDDDGGD-B/E1-2-160
| R8.3-8.3-8.3-8.3-A |
| R11.8-11.8-11.8-11.8-BABSL |
| LHK40F-11CPV-350 |
| R16.8 |
| LP125-20 |
| LP125-25 |
| PSV61/220-5 -52L120/63EA -E4-G24 |
| PSL5H1/210-3 -45H80/80B100/EA1 -45H80/80B100/EA1 -42H63/63A160B100/EA1 -45L80/80C170/EA1 -45O80/80C160/EA1 -E4-G24 |
| PSL4G1F/350-3 -32L40/80A250B250/EA2 -42H80/80C250/EA2 -42L80/63A330B300/EA2 -42L80/63A330B300/EA2 -32L63/40A330B300/EA2 -32L40/25A300B300/EA2 -32L16/25A300B300/EA2 -E1-G24 |
| PSVFA1/300/6-5 -A2H120/120/H/5 -A2H120/120/H/5 -A2H120/120/H/5 -A2H160/160/H/5 -A2H160/160/H/5 -E1 |
| PSV41/300-3 -41H80/80/A -41H80/80/A -41H80/80/A -41H80/80/A -E1 |
| PSV61/220-5 -52L120/63EA -52L120/63/EA -52L120/63/EA -E4-G24 |
| GZ4-1-G24 |
| GZ3-2R |
| R9.8-9.8-9.8-9.8A |
| R8.3-8.3-8.3-8.3 |
| SG2W-NUH |
| MVS84ER-150 |
| GR2-0-G24 |
| R3.3-1.7-1.7-1.7-1.7A |
| LHDV33H-15-M6-360/380 |
| PSV4S1/370-3 -38L40/80/EA -32O63/63/EA -32J80/63/EA -32J80/63/EA -32J40/25/EA -32J25/16/EA -E1-G24 |
| BVP1-R-G24 |
| BVP1-R-G24ex |
| BVP3-Z-G24ex |
| BVP3-Z-G24 |
| R5.3 |
| PDV-P3-43-24 |
| RB14F |
| CDK3-2 |
| RK1 |
| R2.5A |
| R5.6A |
| WN1D-G24-1/4 |
| R8.3-8.3-8.3-8.3-BABSL |
| R4.3A |
| D4-1R |
| R6.0A |
| R6.5 |
| GZ3-1-G24 |
| M60N-034BSBN/4 |
| ED41 |
| ED31 |
| F125-60 |
| PSV51/210-5 -55L120/80/EA -55L120/80/EA -55L120/80/EA E4-G24 |
| LHK44G-11-300 |
| PSVFA1/5/300-5 -A2H160/160/H -A2H160/160/H -A2H160/160/H -E1 |
| MPE6 |
| G4-1-G24 |
| WG4-1-WG230 |
| P4-1 |
| PSV552/230-3 -42H80/80/A2 -42H80/80/A2 -32H63/63/A2 -32H63/63/A2 -32H63/63/A2 -32H63/63/A2 -32H63/63/A2 -E1 |
| G3-1-G24 |
| MPE5HC |
| DG33 |
| PSV61/300-5 -52H120/120/H -52H120/120/H -E1 |
| PSVFA1/300/6-5 -A2H160/160/H/5 -A2H160/160/H/5 -A2H160/160/H/5 -E1 |
| PSV3-2 -A2H40/40/K/2 -A2H40/40/K/2 -A2H40/40/A/2 -E2 |
| PSV3-2 -A2H40/40/K/2 -A2H40/40/K/2 -A2H40/40/C/2 -E2 |
| PSV4-3 -32H80/80/K/2 -32H80/80/K/2 -32H80/80/A/2 -32H80/80/C/2 -E2 |
| AVT6 |
| EV1M2-12/24 |
| PSV4S1/370-3 -38L63/80/EA -32O63/63/EA -32J80/63/EA -32J80/63/EA -32J40/25/EA -32J25/16/EA -32J25/16/EA -E1-G24 |
| PSV4S1/370-3 -38L63/80/EA -32O63/63/EA -32J80/63/EA -32J80/63/EA -32J40/25/EA -32J40/25/EA -32J40/25/EA -32J16/10/EA -51-G24 |
| PMVP4-44-24 |
| AVT6 |
| EV1M2-12/24 |
| PSV55/220-3 -42H80/80/C2 -32H40/40/C2 -32H40/40/C2 -42H25/25/C100/C2 -E1 |
| PSV55/230-3 -32H80/80/A -32H80/80/A -32H63/63/A -32H63/63/A -32H63/63/A -32H63/63/A -E1 |
| PSV552/220-3 -42H80/80/A2 -42H80/80/A2 -32H63/63/A2 -32H63/63/A2 -32H63/63/A2 -32L63/63/A2 -E1 |
| PSL4G1/190-3 32O63/40A170/EA2 -ZPL32 -A2O40/25/EA/2 -A2H25/25A100B100/EA/2 -A2H16/16A100B100/EA/2 -A2H16/16A130B130/EA/2 -A2H16/16/EA/2 -E2-G24 |
| PSL51/220-5 -52H120/120A190B190/H -52H120/120A120B120/H -52H120/120/H -52H80/80A170B170/H -E4 |
| PSV551/300-3 -41H80/80/H -41H80/80/H -41H63/63/H -41H63/63/H -E1 |
| GS2-0-A24 |
| V30D-160RDN-2-1-04/LSN250+V30D-160RDN-1-1-04/LSN250 |
| PSV6S2/280-5 -52H120/120/HG(110) -52H120/120/HG(110) -52H80/80C200/HG -52H80/80C200/HG -52H80/80C200/HG -52H63/63C200/HG -E1 |
| PSV4-3 -32H80/80/A -32H80/80/K（雙軸聯動） -32H80/80/K（雙軸聯動） -A2L63/63/FA/3AN250BN250（液控+摩擦定位手柄） -E2 |
| PSV552/230-3 -ZPL33/5-A7H80/80/FA/3AN250BN250（液控） -A2L80/80/FA/3AN250BN250（液控） -A2L80/80/FA/3AN250BN250（液控） -E2 |
| V30E-270RKN-1-1-00/N-250 |
| SG5W-CK |
| PS2-3PYD |
| V60N-090LDYN-1-0-03/LSNR-2-300 |
| LP125-8 |
| PSV552/280-3 -42H80/80/A2 -42H80/80/A2 -32H63/63/A2 -32H63/63/A2 -32H63/63/A2 -32L63/63/A2 -E1 |
| PSV62/280-5 -52H120/120/HG -52H120/120/HG -52H80/80C200/HG -52H80/80C200/HG -52H80/80C200/HG -52H63/63C200/HG -E1 |
| PSV5S1/200-3 -42H80/80C160/H -42H80/80C160/H -42H80/80C160/H -42H80/80C160/H -42H80/80C160/H -E2 |
| DL41-3-D-C/E1-3-160 |
| V30D-140RDN-2-1-04/LSN250+V30D-140RDN-1-1-04/LSN250 |
| BWH1F-RH-2-1-G24 |
| LHDV33P-15-N6-400/440 |
| LHDV33P-15-P6-400/440 |
| LHDV33P-15-L8-360/380 |
| LHDV33P-15-R6-360/380 |
| LHDV33P-11-C6-310 |
| V30E-160RSN-2-0-01/N/120-125 |
| V60N-130LDYN-1-0-03/LSNR-2-300 |
| SK2-3/30 |
| PSV62/200-5 -52L120/120/EA -52L120/120/EA -52L120/120/EA -52L120/120/EA -52L120/120/EA -52L120/120/EA -52L120/120/EA -E15-G24 |
| PSV6-3 -42H63/63C230/H -42H63/63C230/H -42H63/63C220/H -42H63/63C220/H -42H63/63C220/H -E1 |
| PSV51/180-3 -32H80/80/AC -32H80/80/AC -32H80/80/AC -E1 |
| PSV55/280-3 -32H63/63C160/A -32H63/63C160/A -32H63/63C160/A -32H63/63C160/A -E1 |
| SC034LISO |
| PSV55/300-3 -32H63/63C180/A -32H63/63C180/A -32H63/63C180/A -32H63/63C180/A -E1 |
| PSV55S2/230-3 -32H63/63C180/H -32H63/63C180/H -E2 |
| PSV552/230-3 -45H80/80C200/A -45H80/80C200/A -35H40/40/40C140/D2 -35H40/40/40C140/D2 -32H40/40C80/D2 -E5 |
| SCP-047L-N-Dl4-l35-SOS-000 |
| V30D-115RKN-1-1-02/N-400 |
| PSV6G2/220/5 -52H120/120C250/A -52H120/120C250/A -ZPL53 -32H63/63C200/A -32H63/63C200/A -32L63/63C200/A -32H63/63C200/A -32H63/63C200/A -E1 |
| PSV6G2/220-5 -52H120/120C200/C2 -ZPL53 -35H40/40C200/D2 -35H40/40C200/D2 -32H25/25C100/D2 -32H16/16C100/C2 -E1 |
| AC40-1/4-80 |
| PSV41D/350-3 -42H80/80C300/EAR -E4-G24 |
| V60N-110RSFN-1-0-03/LSNR-2-300 |
| BVP3-R-WG110 |
| HC24/1.1-A4/300VBOIFM-N5-1-G24 |
| RZ17.0/3-Z12.3 |
| MP44-Z12.3 |
| G3-4-G24 |
| PSV552/230-3 -32H63/63/HA -32H63/63/HA -32H63/63/A -32H63/63/A -32H63/63/A -32H63/63/A -E4 |
| PSL42/180-3 -32H63/63/A -32H63/63/A -32H40/40C80/A -E1 |
| PSL52/180-3 -32H80/80/A -32H80/80/A -32H63/63C80/A -32H63/63C80/A -E1 |
| F100-45 |
| PSL61/220-5 -52L120/120/EA -52L120/120/EA -52L120/120/EA -52L120/120/EA -52L120/120/EA -E15-G24 |
| SD3-5/50R |
| DV4PHR |
| PSL62/200-5 -52L120/120/EA -52L120/120/EA -52L120/120/EA -52L120/120/EA -E15-G24 |
| NBVP16G-XM24 |
| NBVP16D-GM-X24 |
| LHT33P-11-6-B7-400 |
| PSVFA2/300/6-5 -A2H120/120/H/5 -A2H120/120/H/5 -A2H63/63/H/5 -E2 |
| PSV4S1/380-3 -38L63/80/EA -32O63/63/EA -32J80/63/EA -32J80/63/EA -32J63/40/EA -32J40/25/EA -32J40/25/EA -E1-G24 |
| SWPN8-W-G24 |
| PSV6/220-5 -52H80/80/C2 -55H40/40/C2 -55H40/40/C2 -52H25/25C100/C2 -E1 |
| PSV6S2/220-5 -52H80/80/A2 -52H80/80/A2 -52H63/63/A2 -52H63/63/A2 -52H63/63/A2 -52H63/63/A2 -E1 |
| PSV62/220-5 -55H80/80/A -55H80/80/A -52H63/63/A -52H63/63/A -52H63/63/A -52H63/63/A -E1 |
| SWPN8-W-G24 |
| MSD3-30 |
| MSD3-30 |
| EXGZ3-1-G24 |
| PSV61/220-5 -52L120/63/EA -52L120/63/EA -E4-G24 |
| PSV41/350-3 -32H25/25/EA2 -32H25/25/EA2 -32H25/25/EA2 -32H25/25/EA2 -E1-G24 |
| PSV551/350-3 -42H40/40/EA2 -42H40/40/EA2 -42H40/40/EA2 -42H40/40/EA2 -E1-G24 |
| R40.0 |
| PSV51/200-5 -55H160/160/EAG -ZPL53 -42O25/25/EA -45O80/80/EA -42O63/63/EA -E1-G24 |
| V60N-90LDVN |
| PSV51/230-6 -42L80/40/EA -42L80/40/EA -42L80/40/EA -42L80/40/EA -E4-G24 |
| PSV551/230-3 -42L80/40/EA -42L80/40/EA -42L80/40/EA -42L80/40/EA -42L80/40/EA -42L80/40/EA -E4-G24 |
| PSV6G2/275-5 -52H80/80/H -52H80/80/H -55H80/80C230/H -55H80/80C220/H -52H80/80C220/H -E2 |
| PSV55/280-3 -42H80/80/C2 -32H40/40/C2 -32H40/40/C2 -42H25/25C100/C2 -E1 |
| PSV61/315-5 -52H160/160A300B200/EA1 -52H160/160A300B200/EA1 -E4-G24 |
| PMV42-44/24 |
| V30D-95RKN-2-1-03/LN400-M |
| HCG11K/0.44-B1/600-1-11D-G24 |
| PSL31/100-3 -32H40/25/A60/EA -32H16/16/EA -32L25/25/EA -32H6/3/EA -E4-G24EX ATEX-Dokumentation |
| 7960120/4C(7993813.00.IL) |
| PSV551/260-3 -32H63/63A145B145/HA -32H63/63A70B70/A -32H63/63/A -32H63/63/A -32H63/63A70B70/A -E1 |
| PSV551/260-3 -32H63/63A145B145/HA -32H63/63A70B70/A -32H63/63/A -32H63/63/A -32H63/63A70B70/A -32H25/25A70B70/A -32H25/25A70B70/A -E1 |
| SD2-4/90P |
| NGZ3-1-G24 |
| V30D-095RKN-1-1-02/N-250 |
| V60N-110RSUN-01-0-02/LSN-2-124 |
| HE4AS-160 |
| CMVX2-C260 |
| LP125-8E |
| MVP4BX-400 |
| PMVP5-43/G24 |
| RHCE23 |
HAWE哈威SG型與SP型滑閥式換向閥常用型號如下：
SG3P7E-CD-160
SG3Y-AK
SG5Q-NM
SG3P7E-CD-140
SG5Q-NM
SG5G-AKS
SG3R-CK
SG0W-C
SG3G-CK
SG0W-AK
SG3S-AK
SG3D-AK
SG1G-ND
SG1V-CK
SG1R-C
SG3H7E-CD-160
SG0W-AK
SG1W-A
SG3P7E-CD-140
SG3L-AK
SG2G-AD
SG3P7C-CD-140
SG3S-AK
SG3G-CK
SG5LS-AKS
SG1G-MD2
SG1D-PK
SG1L-AK
SG3G-CD
SG5W-CK
SG3R-CK
SG3W-CK
SG3P7E-CD-160
SG5H7E-CD-140
SG2D-CK
SG3P7C-CD-160
SG3P7C-CD-160
SG1H-CK
SG2D-CK
SG5W-CK
SG5L-MD3/24
SG5G-CK
SG5G-CK
SG3D-AK
SG3Y-AK
SG3P7E-CD-140
SG2G-AD
SG3D-CK
SG3D-CK
SG5V-CK
SG1V-CK
SG3W-CK
SG1G-MD2
SG5LS-AKS
SG1R-RE
SG3P7C-CD-140
SG5H7E-CD-140
SG1D-PK
SG0G-AK
SG0R-AK
SG3L-AK
SG3H7E-CD-160
SG3G-CD
SG2W-NUH
SG5G-AKS
SG0G-AK
SG1L-AK
SG0W-CK
SG1R-RE
SG3P4C-CD-180
SG0W-CK
SG3P4C-CD-180
SG1R-C
SG5L-MD3/24
SG2W-NUH
SG5H6E-CD-140
SG0W-C
SG5H6E-CD-140
SG5V-CK
SG5H7E-CD-140
SG0R-AK
SG1W-A
SG3P7E-CD-160
SG1G-ND
SG1H-CK
SP3L-CKS
SP3G-ND
SP3V-ME23/24-PYD
SP3L-CKS
SP3L-ND
SP3V-ME23/24-PYD
SP3G-ND
SP3L-ND
HAWE哈威SW,SWP與NSWP型滑閥式換向閥常用型號如下：
SWR2D-L24
SWP1Y-L24
SWP1B-G24
SWP2W-G24
SWP1Y-L24
SWR2D-L24
SWPN8-B-X24
SWPN2-W-X24
SWPN2-K-G24
SWPN8-L-X24
SWPN8-G-X24
SWPN2-G-X24
SWPN2-B-X24
SWPN2-C-X24
SWPN8-W-X24
SWPN2D-X205
SWPN2-D-G24
SWPN8-H-X24
SWPN8-D-X24
SWPN2-C-X24
SWPN8-K-X24
SWPN2-L-X24
SWPN2-B-X24
SWPN2-L-X24
SWPN2-G-X24
SWPN8-L-X24
SWPN2-K-G24
SWPN2-W-X24
SWPN2-D-X24
SWPN8-W-X24
SWPN8-H-X24
SWPN2-D-X24
SWPN8-G-X24
SWPN2D-X205
SWPN8-B-X24
SWPN8-K-X24
SWPN2-D-G24
SWPN8-D-X24
SWPN2-B-X205
SWPN2-B-X205
SWP1F-1/4-L24
SWPN2-B-WG230
SWP1F-1/4-L24
SWPN2-B-WG230
SWR2F-DD-1-X24
SWR2F-DD-1-X24
SWR1A7-UD-1-G24
SWR1A7-UD-1-G24
SWR1A7-UD-1-WG230
SWR1A7-UD-1-WG230-
SWR1A7-UD-1-WG230-
SWS2-G12/MP/DW6/2-G24
SWR1A7-UD-1-WG230-250
SWR1A7-UD-1-WG230-210
SWS2-G12/MP/DW6/2-G24
SWR1A7-UD-1-WG230-250
SWR1A7-UD-1-WG230-210
SWS2-D20/MP/DW/2AL4A180BL4A160-G24
NSWP2D/M/20-G24
NSWP2D/M/20-G24
NSWP2W/M/20/S-G24
NSWP2K/M/20-WG230
NSWP2K/M/20-WG230
NSWP2W/M/R/07-G24
NSWP2W/M/20/S-G24
NSWP2B/M/20-G24
NSWP2B/M/20-G24
NSWP2W/M/R/07-G24
HAWE哈威SWR、SWS與SWPN型滑閥式換向閥常用型號如下：
SWR2D-L24
SWR 2D-L 24
SWPN8-B-X24
SWPN2-W-X24
SWPN2-K-G24
SWPN8-L-X24
SWPN8-G-X24
SWPN2-G-X24
SWPN2-B-X24
SWPN2-C-X24
SWPN8-W-X24
SWPN2D-X205
SWPN2-D-G24
SWPN8-H-X24
SWPN8-D-X24
SWPN2-C-X24
SWPN8-K-X24
SWPN2-L-X24
SWPN2-B-X24
SWPN2-L-X24
SWPN2-G-X24
SWPN8-L-X24
SWPN2-K-G24
SWPN2-W-X24
SWPN2-D-X24
SWPN8-W-X24
SWPN8-H-X24
SWPN2-D-X24
SWPN8-G-X24
SWPN2D-X205
SWPN8-B-X24
SWPN8-K-X24
SWPN2-D-G24
SWPN8-D-X24
SWPN2-B-X205
SWPN2-B-X205
SWPN2-B-WG230
SWPN2-B-WG230
SWR2F-DD-1-X24
SWR1A7-UD-1-G24
SWR1A7-UD-1-WG230
SWR 2 F-DD-1-X 24
SWR1A7-UD-1-WG230-
SWR 1 A 7-UD-1-G 24
SWR1A7-UD-1-WG230-210
SWR1A7-UD-1-WG230-250
SWS2-G12/MP/DW6/2-G24
SWR 1 A 7-UD-1- WG 230-
SWR 1A 7-UD-1-WG 230-210
SWS 2-G12/MP/DW 6/2-G 24
SWR 1 A 7-UD-1-WG 230-250
SWS2-D20/MP/DW/2AL4A180BL4A160-G24
哈威HAWE 換向閥SG和SP
SP3L-ND
SG1G-AK
SP3E-MD3/24
SG2W-NUH
SG5P-CD
SG5W CK
SP1，SP3
SG 0 L-C
SG 1 L-AK
SG 3 P 7 E-CD-160
SG 3 P 7 E-CD-160
SG 3 W-ME 23/24
SG 5 D-MD 23/24-PYD
SG 5 D-MD 23/24-PYD
G0G-CK，SG-1H-CK
SG-2D-CK
SG-3G-CK
SG-3R-CK
SGOW-C
SP 3 D-MD 23/24
哈威手動換向閥，德國原裝*，假一賠十
主站蜘蛛池模板：