compressed air shield driving的意思|示意

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压缩空气盾构驱动

压缩空气盾构掘进 ... 压缩空气盾构掘进 compressed air shield driving 盾构掘进的隧道 driventunnel 盾构隧洞掘进法 driventunnelling ...

紧缩气氛盾构掘进 ... air driving drilling machine 气腿式风钻 compressed air shield driving 压缩空气盾构掘进 ; 紧缩气氛盾构掘进 air shield driving 压缩空气盾构开挖 ...