概述了非开挖技术在广泛应用过程中出现的一些问题，提出了对接穿越、灌水法等一些有效的解决问题的方法与技巧。
Some problems of non-excavation in application were summed up, butt crossing, water replacement and some relative solutions were put forward.
负压灌溉法是一种新近提出的节水灌溉技术，灌溉时供水水头为“负值”，即灌溉水源高程低于灌水器高程。
Negatively pressurized irrigation (NPI) method, a newly irrigation technology, in which the elevation of the emitters is higher than that of the water source, runs under negative hydraulic head.
试验期间灌水采取滴灌方式，土壤水分控制以称重法和取土烘干法为主，辅以TDR法。
The irrigation way was drip irrigation during experimental time, and the control of soil water content was mainly by oven drying method as well as assistance of TDR.
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