field irrigation irrigation efficiency
field irrigation irrigation efficiency
田间灌溉灌溉效率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In order to reduce irrigation water use and improve irrigation efficiency for field crops, a irrigation device was designed.
为了解决大田作物定时定量灌溉控制问题，介绍了一种自行研制的可移动式农田小定额灌溉装置。
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