双语例句
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In mass production, where mating parts must be interchangeable, unilateral tolerances are customary.
大规模生产中配合零件必须能互换，单向公差是经常遇到的。
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The sum of the parts of the mating parts is less than or equal to the allowable deviation of the assembly.
相互配合零件公差之和小于或等于装配允许偏差，零件完全互换。
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Secondly, it is used as a method of obtaining very close fits between mating parts such as pistons and cylinders.
其次，它能用作获得像活塞与气缸之类配件间过盈配合的方法。
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