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剩余的过热器管束和省煤器应有半伸缩式或固定旋转式吹灰器。
The remaining superheater banks and the economizer shall have semi-retractable or fixed rotary blowers.
youdao
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剩余的过热器管束和省煤器应有半伸缩式或固定旋转式吹灰器。
The remaining superheater banks and the economizer shall have semi-retractable or fixed rotary blowers.
youdao