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to phrases
twist bit
agric.
捩锥
auto.
麻花钻头
bridg.constr.
螺旋钻
tech.
螺纹钻
;
麻花
活
钻头
;
蛇形钻
;
螺钻
twist bit
:
5 phrases
in 2 subjects
Engineering geology
1
Technology
4
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