compressed air tunnelling method的意思|示意

压缩空气开挖隧道法 ... 压缩空气箱：air receiver 压缩空气开挖隧道法：compressed air tunnelling method 压缩空气盾构掘进：compressed air shield driving ...

紧缩气氛开挖隧道法 ... compressed air 紧缩气氛 compressed air tunnelling method 紧缩气氛开挖隧道法 compressed gin 紧缩气体 ...

压缩空气 ... 整体运输 研究 compressed air 压缩空气 compressed air tunnelling method 压缩气体 Compressibility ...