1）用M51和M51-F焊劑進行連接。用刷子刷上足量的焊劑。M51大大簡化了白色金屬的連接，因為它是在遠低于白色金屬熔點的溫度下被焊上去的，而所獲得的無缺陷的強度高于基體金屬。

1) using the M51 M51 - F flux and connection. Plenty of flux with a brush. M51 greatly simplifies the connection of white metal, because it is in is far lower than the white went up by welding, metal melting point temperature and the intensity of zero defect received higher than that of base metal.

2）在基體金屬開始與M51熔化在一起的那一剎那，不必將焊槍突然臨時拿開，因為M51是在很低的溫度下涂敷上去的。 戴上配4號鏡片的眼睛或墨鏡，或者戴上太陽鏡。標準的6號太陽鏡鏡片太暗。

2) at the beginning of the matrix metal with M51 melt the moment, don't need gun suddenly off temporarily, because M51 is coated at very low temperatures. Wear lenses with 4 eyes or sunglasses, or wear sunglasses. The standard 6 lenses too dark.

3) need to remember is to use the main points of the small sizes of welding torch, than with the two sizes of welding steel parts.

4）火焰應調成弱碳化焰。所需要的預熱的熱量很少，但是要讓火焰很靠近工件。

4) the flame should be transferred into the weak carbonizing flame. Required for preheating heat is small, but to make the flame is very close to the workpiece.

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