1) They are digging irrigation ditches.
他们在挖灌溉渠。
2) canalizing and irrigating
开渠灌溉
1.
The development of defensive measures and the progress of defensive abilities reflect in four aspects: defensive measures of "making the best use of land",grain reserves of fair deal for famine,defensive project against disaster such as canalizing and irrigating,and defensive measures against flood such as damming and planting.
战国防灾措施及能力的飞跃体现在4方面:“尽地力之教”一类的防灾措施;“平籴法”之类的仓储备荒;开渠灌溉类的防灾工程;修堤造林类的防洪举措。
3) earth canals
灌溉土渠
1.
A large number of earth canals in the countryside attract Chinese central authorities and local governments great attention for its agricultural development.
提出以加强参与主体的激励,明确各方责权利为原则建立田间灌溉土渠管理。
4) irrigation canal system
灌溉渠系
1.
Optimal water allocation marshalling model of multilevel irrigation canal system and model Solution;
多级灌溉渠系配水优化编组模型与算法研究
2.
Fractal features of irrigation canal system in irrigation district;
灌区灌溉渠系分形特征研究
3.
Layout forms of irrigation canal system can be generally classified as three categories: series wound canal system, equivalent shunt wound canal system and nonequivalent shunt wound canal system.
灌溉渠系的布置形式一般可分为串联渠系、等效并联渠系和非等效并联渠系 ,对这 3种灌溉渠系水利用系数进行了理论研究。
5) Irrigation pith
灌溉沟渠
6) irrigation canal
灌溉渠道
1.
Application analysis of anti-seepage measure of irrigation canal;
灌溉渠道防渗措施应用现状分析
2.
The paper proposes a method of the piecewise water distribution of main canal according to the characteristic of irrigation canal in mountainous area.
针对山区灌溉渠道的特点 ,提出了干渠分段配水的方法 ,分别对来水充足和来水不足条件下的干渠配水进行了理论分析和实例计算 ,取得满意成果 。
3.
In addition,the work process of cast-in-place stabilized soil for irrigation canal is presented.
在宝应县临城灌区进行的试点应用表明,现浇固化土应用于灌溉渠道衬砌是可行的,现浇固化土衬砌与混凝土衬砌相比的节省材料费用31。
补充资料：他们
1.代词。称自己和对方以外的若干人。
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