external teeth lock washer 中文意思是什麼
external teeth lock washer
解釋
外齒鎖緊墊圈-
Serrated lock washer external teeth for assembly
組合件用外鋸齒鎖緊墊圈 -
Hexagon head bolt and serrated lock washer external teeth assemblies
六角頭螺栓和外鋸齒鎖緊墊圈組合件 -
Cross recessed pan head screw and serrated lock washer external teeth assemblies
十字槽盤頭螺釘和外鋸齒鎖緊墊圈組合件
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