常見(jiàn)例句雙語(yǔ)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)琯式爐蒸餾後，酚油，洗油和萘油餾分組成的三混餾分再經(jīng)過(guò)洗滌後獲得。www.koppers-china.com 返回 crude phenol