灌溉的

This research provides academic and instructive meanings for sustainable development of agriculture in semi-arid or arid irrigation region.

该研究对干旱半干旱区灌溉农业的可持续发展具有指导意义。

Suo yang cheng with China's best-preserved ancient military defense systems and the ancient irrigation system.

锁阳城具有我国保存最完好的古代军事防御系统和古代农田水利灌溉系统。

They stop the flow of rivers, block ponds in irrigation systems, interfere with fishing and spread diseases.

它们淤塞河道，阻塞灌溉系统中的水塘，妨碍养鱼作业，传播疾病。

They stop the flow of rivers, block ponds in irrigation systems, interfere with fishing and spread diseases.

它们淤塞河道，阻塞灌溉系统中的水塘，妨碍养鱼作业，传播疾

Film hole irrigation is a new type of border irrigation technology and has double effects of water-saving and yield-increasing.

膜上灌是一种新型地面灌溉技术，具有节水和增产的双重效应。

Border irrigation is a new kind of surface irrigation technique derived from the irrigation practice in the irrigation district in northern China.

小畦灌是我国北方一些灌区从灌溉实践中摸索出来的一种新型地面灌水技术。

Numerical model of border or furrow irrigation flow movement is a necessary tool and approach to design and evaluate surface irrigation systems.

数值模拟畦灌水流运动过程可为地面灌溉系统设计与评价提供必要的工具和手段。

The canal system was built in BC 250 years, have elapsed since the 2230 years of history, is the world's one of the oldest irrigation projects.

该渠系建于公元前250年，距今已有2230多年历史，是世界上最古老的水利灌溉工程之一。

The principal PVC products in which lubricants are used include rigid pipe and conduit, which are used for the transport of gas, waters, irrigation piping, drain, waste and vent, sewer drains, and conduits.

添加了润滑剂的主要 PVC 产品，包括钢管和管道，传输气体、水、灌溉、管道运输、排水、废水废气、污水、喷泉等。

Irrigation: Cherimoyas need plenty of moisture while they are growing actively, but should not be watered when they are dormant.

灌溉：集散地需要充足的水分却越来越积极，但不应浇水时，他们正在冬眠。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。