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Washer (hardware) - Wikipedia, the free encyclopedia
瀏覽：1054
日期：2025-07-12
A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, spring (belleville washer, wave washer), wear p...看更多
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