这一点的安保是由安全门和安全开关触头来实现的。
This is safeguarded by a safety door and a safety switching contact.
实践表明，该系统能够有效地控制高压开关触头的钎焊质量。
The tests indicate that quality of braze joint is controled effectively by the system.
本文介绍了真空开关触头材料电弧重熔工艺原理和电弧重熔系统及实验结果。
The processing principle and the experiment system and results of arc remelting for the contact material of vacuum switches are described in this paper.
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