hand wheel

名词 n.
中文释义

英文释义

名词 n.
  1. Alternative form of handwheel. alt-of,alternative
    — The two-hopper, self-emptying ashpan has butterfly doors operated by a hand lever from ground level, and its damper doors, fore and aft, are controlled separately by standard hand wheels and screw gear.

词形变化

hand wheels plural
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