metal plug meaning in Chinese

出铁口冻结
金属丝刷

Metal plug valves - flanged and welding ends
金属塞阀.法兰和焊接端
Metric screw hexagon head metal plugs with collar joints for use with gaskets
与垫片配用的带轴环接合件的公制螺纹六角头金属螺塞
Metric screw hexagon head metal plugs with collar joints for use with o . rings
与形密封垫圈配用的带轴环接合件的公制螺纹六角头金属螺塞
Metric screw hexagon socket cylindrical head metal plugs with collar joints for use with o - rings
与形环配用的公制螺纹内六角圆筒头轴环接合金属螺塞
Metric screw hexagon socket cylindrical head metal plugs with collar joints for use with gaskets
与垫片配用的带轴环接合件的公制螺纹内六角圆筒头金属螺塞