而脉冲式喷头虽可对灌溉区域进行间断均匀地调节，但费用偏高，广大农民消费不起。
Pulsed sprinkler can irrigate the cropland interruptedly and evenly, however, the price of it is so high that most farmers can't afford to buy it.
而脉冲式喷头虽可对灌溉区域进行间断均匀地调节，但费用偏高，广大农民消费不起。
Pulsed sprinkler can irrigate the cropland interruptedly and evenly, however, the price of it is so high that most farmers can't afford to buy it.
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