1) without excavation
无需开挖
1.
Small size tunnel driving is a construction technology of underground piping without excavation.
小型隧道掘进是一种无需开挖的地下管道施工技术。
2) unsupported excavation
无支护开挖
3) un-timbered excavation
无支撑开挖
4) excavation of unsupported foundation pit
无支护基坑开挖
5) excavation
[英][,ekskə'veɪʃn] [美]['ɛkskə'veʃən]
开挖
1.
Wide span underground chamber excavation and primary supportin intensely weathered rocks;
强风化岩中大跨度硐室开挖与初期支护
2.
Influence of construction machinery eccentric load on stability of trench excavation;
建筑机械偏心荷载对开挖过程中沟槽稳定性的影响研究
3.
Application of the NATM construction in the Beidoupo tunnel excavation and support;
新奥法施工在北斗坡隧道开挖支护中的应用
6) dig
[英][dɪɡ] [美][dɪg]
开挖
1.
When road route passes low-lying or pond,it is often needed to dig or fill in silt.
当道路施工经过水塘及低洼地带时,常需要在淤泥中进行开挖及填筑,由于淤泥的流动性,使得在淤泥中施工难度非常大。
补充资料：无需
1.不需要;不用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条