In the early 1980s,thousands of farmers in Bangladesh began using treadle pumps to irrigate small plots of homestead gardens instead of lugging heavy buckets of water.

 
  • 在1980年代初期,孟加拉国有几千农民开始用踩踏水泵灌溉自家菜园内的小块作物,而不用提一桶桶沉重的水。
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