threaded elbow 中文意思是什麼
threaded elbow
解釋
螺紋肘管-
Threaded elbow for capillary
連接毛細管的螺紋口肘管 -
Non soldering compression fittings with cutting ring - elbow stud with taper threaded stud end not for new design
帶有切割環的非焊接壓縮配件.帶錐形螺紋末端的肘形螺
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