thread plug gauge meaning in English

螺纹塞规

Steel conduit thread ; thread gauges , " go " and " not go " thread plug gauges
钢制管螺纹.螺纹量规.过端和不过端螺纹塞规
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
Calibration of the standard tapping ring for wire thread insert - worn thread plug gauge t - s
钢丝螺套用标准螺孔环的校通?损螺纹塞规t - s
Calibration of the standard tapping ring for wire thread insert - no go thread plug gauge t - z
钢丝螺套用标准螺孔环的校通?止螺纹塞规t - z