1) trenchless installation
非开挖敷设
2) non-excavation laying reparation
非开挖敷设修复
4) no open-digging laying
非开挖铺设
1.
This paper introduces the application of no open-digging laying technology in urban heating pipeline construction, expounds in detail the technological process and procedure of no open-digging laying construction, advantages of construction.
介绍了在城市热力管线工程中新采用的非开挖铺设施工技术 ,详细叙述了热力非开挖铺设施工工艺流程、施工步骤、及其优
5) Non-excavatory pipeline laying
非开挖铺设管道
6) ditcher for laying cable
敷设电缆挖沟机
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。
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