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- 这个螺栓已经坏了，不能拧紧了，但是我还未买来新的之前暂时再用一下。
The bolt is worn and not an exact fit but it will serve its turn until I can buy a new one.
- 他拧紧了螺丝。
He tightened the screws up.
- 防松螺母常指拧紧在另一个螺母上的防止其松动的细螺母
A usually thin nut screwed down on another nut to prevent it from loosening.
- 这螺丝钉需要再拧紧些。
This screw needs tightening.
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以上内容独家创作，受著作权保护，侵权必究
海词词典，十七年品牌
