tapped stud 中文意思是什麼
tapped stud
解釋
雙頭螺栓-
Screwed stud - ends ; tapped holes ; for compression fittings, valves, screw plugs, screwed stud - ends type e ; design dimensions
壓合接頭閥門螺旋塞和e型螺紋管堵用螺紋管堵和螺
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