变速箱机油排放螺塞
transmission oil drain plug
变速箱控制线束螺塞
transmission control harness plug
变速箱滤清器壳体排放螺塞
transmission filter housing drain plug
变速箱注油滤清器壳体排放螺塞
transmission charge filter housing drain plug
舱内排放螺塞
inner compartment drain plug
传动系放油螺塞
power train oil drain plug
船用防蚀螺塞
Ships corrosion-resistant plugs