基本解释[化学]金属锰和二氧化锰英汉例句双语例句A discussion on the new technology of manufacturing high pure manganese metal and microparticle manganese dioxide by was made.研究了成对电解制备高纯金属锰和微粒二氧化锰的新工艺；manganese metal and dioxide更多例句专业释义化学金属锰和二氧化锰