螺孔 meaning in English
screw; screw hole
◇螺孔钻 tap drill; 螺孔钻床 tapping drill
Examples
- Standard tapping ring for wire thread insert
钢丝螺套用标准螺孔环 - Hall clocks . central fixing screw
大挂钟.中心固定螺孔 - Small diameter smooth plug gauge of standard tapping ring for wire thread insert
钢丝螺套用标准螺孔环小径的光滑塞规 - Calibration of the standard tapping ring for wire thread insert - go thread plug gauge t - t
钢丝螺套用标准螺孔环的校通?通螺纹塞规t - t - Centre of bolt hole
螺孔中心