大断面的英文

• porrible maximum cross－section

• 大:    big; large
• 断面:    section; fracture surface; p ...
• 大断面焊接:    heavy welding
• 大断面开挖:    large cross-section excavation
• 大断面隧道:    largecross-section tunnel

例句与用法

1. Construction and timbering of big section winch room
   大断面绞车硐室的施工与支护
2. Support technology of soft rock roadway with large section
   大断面软岩巷道支护技术
3. Speedy drivage of the large - bore roadway in rock formation
   大断面岩巷快速施工
4. Treatment to lost blast in grent fault drifting working face
   大断面掘进工作面的丢炮治理
5. Design and application of chamber in soft rock of deep mine
   深井软岩大断面硐室的设计与应用