retaining screw 中文意思是什麼
retaining screw
解釋
固定螺釘-
Refit the handwheel retaining screw
重新裝置手輪固定螺絲。 -
Hexagon head screw plugs - with retaining pin and bleeding hole
帶臺階和外六角鎖緊螺釘.鎖緊頭和排放孔
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