yellow-river irrigation district
常见例句
- 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.
运用“311-A”试验设计，探讨宁夏盐池县城西滩扬黄灌区玉米氮、磷、钾肥料的最佳配比。 返回 yellow-river irrigation district