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单词 θ213132
释义
society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nut > washer between nut and bolt (3)
washer1821

A bearing-plate of iron placed under the nut of a bolt or tie-rod.

lock washer1868

(a) a washer, typically consisting of one complete turn of a helical spring, for placing between a nut and bolt to prevent the nut from working…

olive1919

A metal ring or fitting which is tightened under a threaded nut to form a seal, as on a compression joint.

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更新时间:2024/12/24 23:59:38