08
2013-04
07
2013-04
冷旋压封头厂介绍封头的英文
hebftc
bottom (head) 底封头 bumped head 冲压封头 cast iron circular dished heads 铸铁圆形碟形封头 circular head 圆形封头 conical head 锥形封头; 锥形头 conical hea...
06
2013-04