单词 | washer |
释义 | washer 1 ENTRIES FOUND: plural washers plural washers Learner's definition of WASHER [count] 1 : a thin, flat ring that is made of metal, plastic, or rubber and that is used to make something (such as a bolt) fit tightly or to prevent rubbing(螺母等上的)垫圈,垫片 — see picture at carpentry 2 |
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