1) light tar
轻焦油
1.
The problems of removing naphthalene from coke oven gas during primary cooling and final cooling by light tar in the old system of our plant is introduced.
叙述了我厂旧系统焦炉煤气初终冷轻焦油洗萘存在的问题和两次工艺改造的具体方法,指出了改造后工艺的特点、效果及不足,并对改造后工艺指标和经济运行情况进行了统计与分析。
2) anxiety reduction
减轻焦虑
补充资料：煤焦油间歇蒸馏(见煤焦油蒸馏)
煤焦油间歇蒸馏(见煤焦油蒸馏)
batch distillation of coal tar
meijiaoyou Jian珊zhen目iu煤焦油间歇蒸馏(batch distillation of coaltar)见煤焦油蒸馏。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。