因为煤的导热性低、蒸馏的速度慢，所以炼焦的过程较慢。
Because of the low thermal conductivity of coal and the slow rate of distillation, coking is a slow process.
不过，铁矿石、炼焦煤和废钢成本飙升带来的切肤之痛要到第三季才能感受到，分析师多预期届时会看到用户放缓补充库存的速度，同时终端用户的需求却未见提高。
But the real pain of soaring costs for iron ore, coking coal and scrap will hit in the third quarter, when analysts see a possible slow down in restocking and end-user demand yet to pick up.
宝钢一炼焦三电改造后期，发现控制站和操作站的响应速度不能达到要求。
At the end of EIC transformation of Baosteel first coking plant, the response rate of the control station and operation station are found not up to the requirement.
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