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setscrew

资料来源 : pyDict

固定螺丝钉

资料来源 : WordNet®

setscrew
     n 1: a screw that is used to adjust the tension on a spring
     2: a screw (often without a head) that fits into the boss or
        hub of a wheel or cam etc. and prevents motion of the part
        relative to the shaft on which it is mounted
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