convection preheater是什么意思 convection preheater怎么读
convection preheater的相关资料
convection preheater的用法和样例
- The filament drive included a trailing weight and a preheater.
长丝体的传动部分包括一个拖拉重锤和一个预热器。 - By analyzing the failure cause of boiler air preheater, the measure of preventing it from failure was discussed.
摘要通过对锅炉空气预热器失效原因的分析，提出了一些防止空气预热器失效的技术措施。
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