2) trenchless installation
非开挖敷设
3) non-excavation laying reparation
非开挖敷设修复
4) pipe-laying of trenchless technology
非开挖铺管
1.
Application of several key technologies in pipe-laying of trenchless technology under complex conditions;
复杂条件下非开挖铺管的关键技术
5) non-excavated tractive pipe
非开挖牵引管
1.
The technology of the large-diameter non-excavated tractive pipe has been more and more widely used in the projects of the urban water supply and drainage pipeline network.
大口径非开挖牵引管技术在城市给排水管网工程中已经得到了越来越广泛的应用,该文通过工程实例详细论述了非开挖牵引管设计和施工中的一些关键问题。
6) pipelines of not excavating cable
非开挖电缆管道
补充资料：非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
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