无引线表面组装元器件的金属化外电极。
所有截止阀按要求为对焊端连接。
All valves are to be supplied with butt-weld end connections as specified.
结果表明，双丝间接电弧气体保护焊在两丝端部形成电弧，其电弧本质仍然是气体放电的一种表现形式。
Results show that the arc was burning between the two wires in twin-wire indirect arc welding, and the arc was still a type of gas discharge in nature.
传统的线圈成型模只能成型线圈的端部形状，而该装置在此基础上增加了对线圈的预弯、铲头、封焊等功能，在定子线圈热压前一次完成以上各工序。
But in this shaping installation, besides the mentioned functions, shaping, shoveling, soldering and sealing of the stator coils can be completed at the same time before hot pressing.
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