Mating Parts Number 配合零件料号
fit-rate of mating-parts 孔轴配合率
drilled together with mating parts 与配合件同时钻孔
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。
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。
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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