常用零配件_
2024-02-05 喂食器
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5旋转的凸块和孔处。含有凸块或空泛的旋转部件是很风险的，如电扇叶、凸轮、飞轮等。ຫໍສະໝຸດ Baidu
6旋转部件和成切线运动部件间的咬合处，如动力传输皮带和皮带轮、链条和链轮、齿条和齿轮等。
机械零件又称机械元件（machine part）是构成机械的根本元件，是组成机械和机器的不可分拆的单个制件。机械零件既是研讨和规划各种设备中机械基础件的一门学科，也是零件和部件的泛称。
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