Copper pipe straightening machine的意思|示意

铜管调直机 ... double elbow pipe 双弯头管; 双弯形管 Copper pipe straightening machine 铜管调直机 pipe bending fatigue tester 弯管疲劳试验机 ...

管调直机 ... 切断器 Pipe cutting machine 管调直机 Copper pipe straightening machine 管道压槽机 Book joint setting machine for pipes ...