1) primary cooling and final cooling
初终冷
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) final cooling
终冷
1.
Reasons and harm of higher gas temperature at the final cooling stage are analyzed and solutions are proposed.
分析了终冷段煤气温度偏高的危害及原因，并提出了处理办法。
4) primary and goal state
初态终态
补充资料：初终
1.始终。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条