boiler scale
锅垢；锅炉垢 双语例句 Machine boiler scale collector 机械锅炉水垢收集器 This paper emphasized the ***ysis of the formative reason for boiler scale and its harm, and presented the precaution measures and solutions. 重点分析了锅炉水垢形成的原因及产生的危害，并提出了防范措施及解决方法。 This paper makes a...