The invention discloses a catalytic purification method of chlorobenzene waste gas.本发明公开了一种氯苯废气催化净化方法.The Refractometric analysis of binary liquid system of benzene - chlorobenzene was investigated.研究了液体二元系的折射分析法.Mazindo...
a fractional decline in earnings利润微降The difference between her wages and yours is only fractional.她的薪水和你的只差一点点.The profit on the deal was fractional.那笔生意获利很小....