1/2"-3"的弯头是贴标签,4"-10"的弯头是喷标.英语怎么说 elbow 弯头
1/2"-3"的弯头是贴标签，4"-10"的弯头是喷标。英语怎么说
For Fittings,size 1/2"-3"( from 1/2" to 3"),on the body put a sticker show the marking.
size 4"-10"( from 4" to 10"),on the body show the marking by Spray painnting.