reamer

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reamer

reamer 铰刀
thru = through = 通过
有个词 through reamer = 长铰刀 ,reamer through 不知道是不是用铰刀穿过什么的意思.

reamer 英语翻译usually the hole-based system is used as this results in a reduction in the variety of drill,reamer,broach and gauge tooling required within a company.我实在不知道这句话应该怎么翻译比较好了,这段话出自公差一章