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秋千汲水篮

274 bytes removed, 13:29, 11 January 2016
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! style="background:#f0f8ff;" | 不足
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| valign="top" | - Simple, inexpensive technology which can be locally made and maintained 技术简易、廉价,可在当地制作与维护<br>- Easy to operate by both adults and children操作简易,成人及儿童均可操作操作简易,且成人及儿童均可操作| valign="top" | - Limited to lifts of less than 1.2 m 最高提升1.2米<br>- Limited water yield 60-80 l/min suitable for small fields出水量最大为60出水量最大为60-80升/分钟,适用于小型农田<br>- Low efficiency (10-15%), big human effort with significant water spillage 低效率(10-15%),重体力,且水会溢出),重体力,且许多水会溢出
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