gray solodic soil是什么意思

用法例句

The effects of acid-base deashing treatment on the organic constituents, surface properties and slurryability of Hebi, Huainan, and Jingyuan coals have been studied.

研究了酸-碱脱灰处理对鹤壁、淮南和靖远煤的有机组成、表面性质以及成浆性的影响。