tapped hole meaning in Chinese

螺孔
螺丝孔
螺纹孔

Hydraulic tap hole drill with folding rotary mechanism
转臂折叠式全液压开铁口机
Oil - level pointer ; requirements , mating dimensions , tapped holes
油位指示器.要求配合尺寸和螺纹孔
Hydraulic braking systems ; tapped holes
液压制动系统.螺纹孔
Effects of anti - oxidant on anti - oxidation property of mgo - c tapping hole
抗氧化剂对镁碳质出钢口管砖抗氧化性能影响
. specification for wash basins - wash basins one or three tap holes - materials , quality , design and construction
洗涤盆规范.第3部分:洗涤盆

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