建筑工程主要用熔焊法。将焊件加热到熔点以上,同时熔化焊条,使焊件熔为一体。焊件和焊条都是电路的一部分形成焊接电路。用大电流低电压，一个电极接连焊件，另一极接通焊条，当焊条和焊件两者相碰时产生电弧，熔化焊条和焊件。
... fusion welding metal 熔焊金属 fusion welding method 熔焊法 fusion welding plug 熔焊的塞子 ...
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简要介绍了胀接法和熔焊法两种常用连接方式，并分析了其优缺点。
The common connection forms as expand connection and melting welding were introduced , and their advantages and disadvantages are analyzed.
在开断能力、抗熔焊性、介质恢复强度等电气性能方面均明显优于传统粉末冶金法铜铬触头材料。
The contact has many advantages in breaking capacity, anti-welding behaviour and dielectric recovery strength, compared w…
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