closure nut 中文意思是什麼
closure nut
解釋
閉合螺母-
Couplings for compressed air - claw coupling, 42 mm internal width, without securing nut - coupling with male, female, hose and closure connection ends, rotary claw couplings, joint ring
壓縮空氣匹配件.爪狀匹配件,無安全螺母的42mm內寬,凸
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