n.粗苯；安息油；偏苏油
The consumption of crude benzol is obviously reduced by decreasing the extraction temperature properly and it doesn't influence the efficiency of dephenolization. 适当降低萃取操作温度，可以明显降低粗苯消耗，而不会影响其脱酚效率。
n.粗苯(安息油；偏苏油)
苯系物
