corner tube boiler
... 单管式锅炉 monotube boiler 角管式锅炉 corner tube boiler 多管式锅炉 multitubularboiler ...
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改进后角管式锅炉的成功运行产生了可观的经济效益和社会效益。
The successful operation of the improved corner-tube boiler creates considerable economic and social benefits.
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The successful operation of the improved corner-tube boiler creates considerable economic and social b...
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