灌溉保证率的英文：
dependability of irrigation

dependability是什么意思：
n. 可信任,可靠性

This is a dependent territory.
这是片属地。

It depends on the weather.
这取决于天气。

It depends on circumstances.
这要视情况而定。

It depends on free oxygen or air.
它依靠大量的氧或者空气。

It depend on how you view it.
这要看您怎么看它了。

irrigation是什么意思：
n. 灌溉；冲洗（法）

The rotary agitator irrigated him.
旋转的鼓动者可灌溉的他。

The farmer is irrigating in his field.
那个农夫正在田里灌溉。

The terrace channels are convenient for irrigation.
梯田的沟渠便于灌溉。

What is the irrigation norm?
灌溉定额是多少？

through the growing season by furrow irrigation
在整个生长期间用畦灌法