low-quality coal
英
美
- 劣质煤
双语例句
- It intuoduces the tech-economic effects about transforming chain furance to fluidizing bed,provides conditionsFor faulty coal use.
介绍链条炉改成沸腾炉的技术经济效果，为改善链条炉操作性能，为劣质煤的推广应用，提供了完全可能实现的途径。 - The procedure for reformation and the new spiral-tube type of air preheater used may be well observed by other thermal power plants where boilers are fired with low quality coals.
改造采取的措施及采用新型的螺旋槽管空气预热器，可对燃用劣质煤的电站锅炉改造起到良好的借鉴作用。
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