应在供电线路中安装铁壳闸刀开关一只，供此箱专用，并将外壳接地。
A knife switch with iron shell shall be installed in the power supply line, which is exclusively for this oven, and the outer plate shall be grounded.
介绍了GIS设备的安装、试验和外壳接地，并指出了在施工过程中应注意的事项。
This paper introduces the installation, test and case ground of GIS equipment, and puts forward some matters need attention in the construction process.
真空溅射镀膜设备中加热装置在镀膜时常出现打火现象，本文采用金属屏蔽和外壳接地的方法很好地解决了这一问题。
The heating equipment of vacuum sputter coating apparatus always sparks during sputtering, Using metal-screening and surface earth can solve this problem well.
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