片语
chemical industrial stages combination化工工序合并
incomplete chemical combination不完全化合
chemical combination product device化工生产装置
chemical combination flooding化学复合驱
chemical band combination化学键偶联
chemical fertilizer combination化肥组合
combined with化合,联合;连同
direct chemical combination直接化合法
chemical bond combination化学键结合
chemical exploration combination探组合