tube well irrigationtube-well irrigation
... 管井: [水文] tubular well; tube well; abyssinian well 管井灌溉: tube well irrigationtube-well irrigation 打入管井: driven well ...
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tube well irrigationtube-well irrigation
管井灌溉管井灌溉
以上为机器翻译结果，长、整句建议使用 人工翻译 。