Combustion chamber, chimney, induced draft fan etc all installed in the workshop with external, to ensure the workshop of sanitary and worker safety.
燃烧室、烟囱、引风机等全部安装在车间外部，保证了车间内的卫生和工人的安全。
Analyze the cause and treatment of worn working surface of bearing pads for induced draft fan, after welding repair, the broken babbit alloy bearing pads in actual application has good usage effect.
简单分析了引风机轴瓦工作表面磨损的原因和处理方法，实际应用中损坏的巴氏合金轴瓦经过焊接修复后，使用效果良好。
New idea and new structure of air seal design for centrifugal induced draft fan is put forward through field inspection.
通过现场实地考察提出了排蒸汽离心引风机汽封设计的新思路、新结构。
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