螺栓或螺钉和平垫圈组合件
Bolt Or Screw And Washer Assemblies With Plain Washers
螺栓或螺钉和平垫圈组合件
Bolt Or Screw And Washer Assemblies With Plain Washers
十字槽盘头螺钉和平垫圈组合
Cross recessed pan head screws and plain washers assemblies
十字槽盘头螺钉和平垫圈组合件
Cross Recessed Pan Head Screws And Washer Assemblies With Plain Washers