...两面燃烧式锅炉 ; 双炉门式锅炉 ; 双炉门式锅炉两面燃烧式锅炉 double combustion boiler 双炉膛锅炉 double combustion boiler double-furnace boiler 双炉膛锅炉 ..
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... double-ended boiler 双面燃烧式锅炉 ; 双头锅炉双面燃烧式锅炉 double-furnace boiler 双炉膛锅炉 double-pass boiler 双烟道锅炉 ...
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... 双筒式锅炉 two-drum boiler 双炉膛锅炉 two-furnace boiler 人字式坞门 two-gate caisson ...
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