- unit of tolerance
- 公差单位
English-Chinese machine dictionary (英汉机械大词典). 2013.
English-Chinese machine dictionary (英汉机械大词典). 2013.
tolerance unit — a unit of relative distance used by engineers when they put round pegs in round holes. Whenever a shaft passes through a hole, a small distance (the tolerance) must be left so that the shaft will be able to turn. If the diameter of a shaft is… … Dictionary of units of measurement
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