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bit brace
dril. 手摇钻; 曲柄钻
el.mach. 摇弓钻
eng.geol. 钻孔器
tech. 摇钻 (柄)
bit-brace
archit. 曲柄钻; 摇钻
bit brace: 26 phrases in 6 subjects
Architecture3
Automobiles2
Construction2
Electric machinery1
Measuring instruments1
Technology17