coal burning boiler

常见例句

In the paper, the coal burning boiler and fuel oil heater of indep-eudent heating system are also introduced.
文章还对独立采暖的燃煤、燃油锅炉装置作了介绍。
This paper analysis the factors that affect the long-periodic duty of inferior coal burning boiler in aspect of installation, running, maintenance, technical improvement.
从安装、运行、检修和技改的角度，分析了影响燃烧劣质煤的循环流化床锅炉长周期运行的因素。
When sewage temperature lower than 40℃, annual cost of sewage source heat pump is lower than that of oil burning boiler and natural gas burning boiler, but higher than that of coal burning boiler;
当污水水源温度低于40益时，污水水源热泵供热方案的年费用值低于燃油和燃气锅炉供热方案而高于燃煤锅炉供热方案；