natural gas fired boiler
英
美
- 天然气锅炉
双语例句
- At last, an economic evaluation is conducted when a conventional natural gas fired boiler is retrofitted into a condensing boiler by using a low-finned tube heat exchanger.
最后，本文对天然气锅炉尾部加装低螺纹翅片管冷凝换热器回收余热进行了经济性研究。
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