underground cutting with shallow embedded  浅埋暗挖

Underground Cutting with Shallow Overburden  浅埋暗挖

drainage system with underground pipe lines  暗排水系统

extra-shallow-underground-pipe-jacking  超浅层顶管

gas pipeline underground with jacket component  带套筒构件埋地燃气管道

Shallow Underground Excavation  浅埋洞室; 浅埋暗挖; 浅埋暗挖法

shallow underground obstacle  浅部不均匀体

shallow underground project  浅埋地下工程

shallow underground space  浅层地下空间

Shallow underground water  浅层地下水

Underground Cutting  暗挖

underground excavation with shallow overburden  浅埋暗挖

Cutting with different matrixes  不同基质扦插

Cutting with hardwood  硬枝扦插

cutting with invariableness cutting force  恒力切削

cutting with laser heating  激光加热切削

Cutting with one cutter  一刀通

cutting with synchronizing texturing  切割制绒一体化

gear-cutting with form copying method  仿形法切齿