| 1. | The terrace channels are convenient for irrigation .
梯田的沟渠便于灌溉。
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| 2. | This irrigation canal has fallen into disuse .
这条渠荒废了。
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| 3. | Portable irrigation is on the increase .
移动式灌溉正在增加。
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| 4. | The fields are crisscrossed by irrigation canals and ditches .
田野上沟渠纵横。
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| 5. | Public irrigation is the heart of cotton farming .
公共水利设施是棉花生产的命脉。
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| 6. | We used the money to set up an irrigation project .
我们把钱用在兴建灌溉工程上了。
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| 7. | Water is channeled through a series of irrigation canals .
把水引入一系列灌溉渠中。
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| 8. | Metal and glass beads may be removed by irrigation .
金属和玻璃珠子可用灌水法取出。
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| 9. | Trickle irrigation conservers water where limited .
滴灌在水少的地方应用起来可省水。
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| 10. | Irrigation is needed to make crops grow in dry regions .
干旱地区需要灌溉才能使作物生长。
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