分析了阴极箱氢通道积存盐碱结晶的原因和危害，提出了消除的措施。

This paper analyzed the reasons and hazards of the saline alkaline crystal deposit in the hydrogen channel inside cathode chamber and introduced some elimination methods for it.

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今后，随着使用者将箱型的阴极射线管屏幕换成液晶平面显示屏，这个问题将日益突出。

The problem is sure to expand over the coming years as users replace their boxy CRT monitors with LCD flat panel displays.

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空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。

This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control device.

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