螺纹环 meaning in English

screwed ring

Steel gauges . screw ring gauges . diameter to 300 mm
钢制量规.螺纹环规.直径小于300mm的环规
Gauges for edinson thread for d - type fuses " go " ring gauges
D型熔断器用圆螺纹的量规.过端螺纹环规
Steel conduit thread ; thread gauges , " go " and " not go " thread ring gauges
钢制导线管螺纹.螺纹量规.过端和不过端螺纹环规
Gauges . screw plug gauges single and double - ended . diameters from 1 mm to 100 mm
量规.单头和双头螺纹环塞规.直径从1到100mm
Thread ring gauge
螺纹环规

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