Take farm machinery for example. Although we have exerted great efforts in this regard for many years, we have not found satisfactory ways of manufacturing farm machinery and tools suited to different local conditions.

 
  • 比如農業機械,過去搞了這么多年,但如何根據各地的不同情況,采用適合的農業機具,長期以來沒有很好解決。
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