本文介绍了离心薄膜真空浓缩设备的结构工作原理及它的应用。
The structure, working principle and application of centrifugal - flow thin-film vacuum evaporator were introduced.
介绍真空设备法兰采用大直径O形环橡胶自紧式密封（不用螺栓和螺母）的设计计算及其应用效果。
The design calculation of the large O ring rubber self energized seal (without bolt and nut )used for the vacuum equipment and its application results are introduced.
本文介绍了两种压铸新技术——真空压铸和充氧压铸的基本原理、设备、特点及应用。
The new technique of vacuum diecast and oxygenation diecast are introduced in some aspects, which are basic principle, equipment, characteristic and application.
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