農機有65個大類、近4000種,如稻麥輪作就涵蓋38道工序、十幾個學科,插秧機、植保機、收割機行距規格不一,各敲各鑼、各打各鼓,缺少標準化,施肥、打藥、收割等環節浪費較大。
http://www.xinhuanet.com/fortune/2021-04/05/c_1127294486.htm
農機有65個大類、近4000種,如稻麥輪作就涵蓋38道工序、十幾個學科,插秧機、植保機、收割機行距規格不一,各敲各鑼、各打各鼓,缺少標準化,施肥、打藥、收割等環節浪費較大。
http://www.xinhuanet.com/fortune/2021-04/05/c_1127294486.htm
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