In order to form electroless plating film only on one side of glass substratedipped in a solution, a vacuum fixture has been developed.

为使浸渍于溶液中的玻璃基片仅仅一面形成镀膜，研制了一种玻璃真空夹具。

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Electron beam welding machine consists of electron gun, high-voltage power, vacuum unit, vacuum welding chamber, electrical control system, fixture and working station running system and etc.

电子束焊机由电子枪、高压电源、真空机组、真空焊接室、电气控制系统、工装夹具与工作台行走系统等部分组成。

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