... mechanical wood-pulp paper 机械木浆纸 mechanical wrench 机械扳手 mechanically ashed producer 机械除灰发生炉 ...
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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.
下定决心的人用生绣的扳手，可以比懒惰的人用机械房里所有工具完成更多的事。
A determined soul will do more with a rusty monkey wrench than a loafer will accomplish with all the tools in a machine shop.
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