The karez is an ancient irrigation system.

坎儿井是一种古老的灌溉系统。

He spent the afternoon valving the irrigation system.

他花了整个下午调节阀门的动作来管理灌溉系统。

Farmers are benefiting from the improved irrigation system.

农民正在受益于改进的灌溉系统。

The engineer designed a new flume for the irrigation system.

工程师为灌溉系统设计了一个新的水槽。

You need a pliable hose for this type of irrigation system.

这种灌溉系统需要一根柔韧的水管。

We doug a trench around the garden to install the irrigation system.

我们在花园周围挖掘了一条沟渠以安装灌溉系统。

The floodgate controls the flow of water into the irrigation system.

水闸控制着进入灌溉系统的水流。

The tributary provides water for the irrigation system in the region.

这条支流为该地区的灌溉系统提供了水源。

The farmers are worried that silt will affect their irrigation system.

农民们担心淤泥会影响他们的灌溉系统。

The garden showed signs of ponding after the irrigation system malfunctioned.

灌溉系统故障后，花园出现了积水的迹象。