化学改良 meaning in English
improving properties by chemical
Examples
- Standard specification for chemically modified asphalt cement for use in pavement construction
用于路面建造的化学改良沥青水泥的标准规范 - The comparison of the effect on the water propertles of alkaline - saline grassland between biological and chemical amel iorates
化学改良对重度盐碱化草地土壤水分特性影响的比较研究