Finally the test results of vacuum tube operation are presented.
最后给出了电子管工作时的测试结果。
Hydrostatic test, Pneumatic test, test pressure, test temperature, Vacuum vessel, Combination units.
液压试验，气压试验，试验压力，试验温度，真空容器，组合容器。
On such a basis, a vacuum physical simulated test equipment has been built.
以此为依据，建成了真空物理模拟实验装置。
In addition, they usually have a vacuum device to test the operation of vacuum-advance mechanisms.
通常还有一个真空装置，用于检查真空点火提前装置的工作情况。
In addition, they usually have a vacuum device to test the operation of vacuum-advance mechanisms.
通常还有一个真空装置，用于检查真空点火提前装置的工作情况。
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