The calculating equation of the relative rotating Angle in the leakage test of plunger and barrel assembly has been deduced by the geometric method.

利用几何方法推导柱塞偶件密封性试验中相对回转角度的计算式。

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Still, a number of things could go wrong from a fuse malfunctioning, a problem with the barrel's assembly to a round prematurely detonating inside the tube, he said.

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