jacking-machine 起皱机

Pipe Jacking Machine 顶管掘进机

rectangular pipe jacking machine 矩形顶管机

Manual pipe jacking machine 手掘式顶管机

blade balance jacking machine 网格式顶管机

reception of pipe jacking machine 顶管接收

pipe jacking tunnelling machine 顶管掘进机 ; 顶管式掘进机

pipe-jacking tunneling machine 顶管掘进机