plain end tube meaning in Chinese

平端管

Steel tubes . welded plain end tubes of commercial quality for general purposes at mean pressure . dimensions technical delivery conditions
钢管.平均压力下一般商业用平端焊接钢管.尺寸交货技术条件
Steel tubes . longitudinally welded plain end tubes for the food industry . austenitic stainless steels . dimensions . technical delivery conditions
钢管.食品工业用纵向焊接光钢管.奥氏体不锈钢.尺寸.交货技术条件
Steel tubes . welded plain end tubes of commercial quality with or without special delivery conditions . dimensions d superior or equal to 168 , 3 mm . technical delivery conditions
钢管.带或不带特殊交货技术条件的光端焊接钢管. “ ”的尺寸大于或等于168 . 3mm .交货技术条件