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单词 hand screw
释义

WordReference Random House Unabridged Dictionary of American English © 2024
hand screw′, 
    1. Buildinga screw that can be tightened by the fingers, without the aid of a tool.
    2. BuildingAlso called hand-screw′ clamp′. [Carpentry.]a clamp having two wooden jaws that are adjusted by two long screws. See illus. under clamp 1.
    • 1755–65

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更新时间:2025/2/23 5:29:00