单词	游离腐植酸
释义	游离腐植酸 free humic acid
随便看	coal-derived oilfield Coal-derived pyrite Coal-derived Pyrites coal-derived sulfide minerals Co.Aldershot Co.Aldershot,Hants,England,Brookfield,Vt Co.Aldershot, Hants, England, Brookfield, Vt coal design coal destributor coal desulfurization coal desulfurization and denitrification coal desulphurization bacterium coal deterioration regulation coal development coal devolatilization coal diagenesis coal diameter coal/diamonds/gold/tin mining coal digested pitch coal digger coal diggings coal direct and indirect liquefying Coal direct liquefaction coal direct liquefication coal discharge guiding plate