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The cost of today's micro-irrigation systems, however, is still high.
但目前的微灌系统成本仍然过高。
youdao
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Irrigation systems use water from underground when there is not enough rain.
当雨水不足时，灌溉系统会使用地下水。
youdao
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Irrigation systems use water from underground when there is not enough rain.
当雨水不足时，灌溉系统会使用地下水。
youdao