Ҏ:
30*30,40*40,50*50,80*80,100*100,150*150,200*200,250*250,300*300,450*450
{ľ:BƸ۷{ľЏSң{ľЈr
DN10 DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80 DN100
DN125 DN150 DN200 DN250 DN300 DN350 DN400 DN450
DN500 DN600 DN700 DN800 DN900 DN1000
ͬr,ҹ˾MMg,aNľƷ.ăr,|
aƷ,ܵķ,ܵVϿ͑һºu!gӭҏSǢՄ{ľaƷ