[工业] tubing; skelp; tubular product◇管材挤压机 tube extruder; 管材冷轧 cold reduction of tubes; 管材轧机 pipe mill; tube mill; tube-rolling mill; 管材轧制 tube rolling钢管材: steel pipes管材孔: grooving of tubes管材库: pipe storage级管材: j-grade pipe纱管材: spool bar; spool wood下载手机词典可随时随地查词查翻译