... tappet switch 制动开关 tappet 挺杆 tapping drill 螺孔钻头 ...
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... tantalum 钽 tap bit 螺孔钻头 tap bolt 带头螺栓 ...
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短语
螺纹孔扳手钻夹头
THREADED KEY-TYPE DRILL CHUCKS
;
TYPE DRILL CHUCKS
螺纹孔钻夹头
[机]
drill chuck with thread hole
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