名词
中文翻译：主螺钉
同义词：
['main screw', "main bolt例句：1. The car'sengine is a complex machine that requires regularmaintenance to keep the lead screws ingood condition.（汽车发动机是一个复杂的机器，需要定期维护以保持主螺钉的良好状态。）"]
例句：
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1. The car'sengine is a complex machine that requires regularmaintenance to keep the lead screws ingood condition.
汽车发动机是一个复杂的机器，需要定期维护以保持主螺钉的良好状态。
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2. The engineer used a special tool toremove the lead screws from the olddoor hinges.
工程师使用特殊的工具从旧的门铰链中取出主螺钉。
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3. The construction workers had to disassemblethe building's roof to access thelead screws for repairs.
建筑工人不得不拆卸建筑物的屋顶以访问用于修理的主螺钉。