名词
中文翻译：左旋螺丝
同义词：
['left-handed screw', 'left-handed bolt']
例句：
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1.The car was fixed with a left-hand screw.
这辆车是用左旋螺丝固定的。
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2.He used a left-hand screwdriver to tighten the bolts.
他用左旋螺丝刀来拧紧螺栓。
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3.The engineer had to use a left-hand screwdriver to remove the old screws.
工程师不得不用左旋螺丝刀来拆卸旧的螺丝。