The economizer is an important part of supercharged boilers and utilizes the structure and thermal calculation method as a key technique.
经济器是舰用增压锅炉的重要组成部分，经济器的结构和热力计算是我国舰用增压锅炉国产化的关键技术之一。
The economizer is an important part of supercharged boilers and utilizes the structure and thermal calculation method as a key technique.
经济器是舰用增压锅炉的重要组成部分，经济器的结构和热力计算是我国舰用增压锅炉国产化的关键技术之一。
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