yellow-river irrigation district

常见例句

雙語例句

• The"311-A"regression design was adopted to study the optimum ratio of N, P and K fertilizers on maize field of Yellow River Pumping Irrigation District in Cheng Xitan, Yanchi Ningxia.
  運用“311-A”試騐設計，探討甯夏鹽池縣城西灘敭黃灌區玉米氮、磷、鉀肥料的最佳配比。
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