o ring的相關文章
O-ring - Wikipedia, the free encyclopedia
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日期:2026-04-21
An O-ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a round cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creatin...看更多

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