常見例句雙語例句Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .煤焦油經(jīng)管式爐蒸餾后，酚油，洗油和萘油餾分組成的三混餾分再經(jīng)過洗滌后獲得。www.koppers-china.com 返回 crude phenol