mechanical tightening
... mechanical thermometry 机械测温法 mechanical tightening 机械上紧 mechanical timer 机械定时装置 ...
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机械上紧接箍 coupling power tight
机械上紧设备 mechanical tensioning device
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当用扳手上紧配件时，这种机械密封会在螺纹配合和轻微的变形来生成密封效果。
This mechanical seal is produced by the mating and slight crushing of the threads when a wrench is applied to tighten the fittings.
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