yellow-river irrigation district
常見(jiàn)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(yùn)用“311-A”試驗(yàn)設(shè)計(jì),探討寧夏鹽池縣城西灘揚(yáng)黃灌區(qū)玉米氮、磷、鉀肥料的最佳配比。 返回 yellow-river irrigation district