檢視平垫圈的原始碼

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中文名称；平垫圈

 
外文名称；Flat washer
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'''平垫圈'''通常是各种形状的薄件，用于减少摩擦、防止泄漏、隔离、防止松脱或分散压力。 许多材料和结构中都有这种部件，用于履行各类相似的[[功效]]。受螺纹紧固件的材料与工艺限制，螺栓等紧固件的支承面不大，因此为减小承压面的压应力保护被连接件的表面，其采用垫圈。<ref>[https://wenda.so.com/q/1593439701214978 想知道平垫圈的作用?],360问答 , 2017年3月21日</ref>