本文研制一种超声轴向振动系统，并对合金铜进行试验。
In this paper, the author developed an ultrasonic vibration drilling system, and utilized it to do experiments on copper alloy.
本文通过试验得出了碟形圈密封漏失量的经验公式，并对轴向振动的影响进行了修正。
A empirical equation of the leakage of Belleville ring seal is presented, and a correction for the axial vibration is given.
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