yellow-river irrigation district
常見例句
- 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(shè)計，探討甯夏鹽池縣城西灘敭黃灌區(qū)玉米氮、磷、鉀肥料的最佳配比。 返回 yellow-river irrigation district