Jd 1000mm Small Railway Mtbm Compound Slurry Balance Concrete Pipe Jacking Machine/Epb Tunnel Boring Machine Hangzhou Supu Business Machine Co., Ltd. Base Info Description Pre：Xdn 1800mm Medium Slurry Compound Balance Pipe Jacking Tunneling Boring Machine for Steel Tube Sewage Pipe Next：1500mm Trenchless Automatic No Dig Tunneling Boring Concrete Compound Slurry Balance Pipe Jacking Machine for Rcp
