From the concrete ducting the hot dirty flue gas enters the booster fan and then passes the inlet of the GGH.

从混凝土烟道来的热脏烟气通过升压风机，再通过热交换器入口进入热交换器。

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From the concrete ducting the hot dirty flue gas enters the booster fan and then passes the inlet of the GGH.

从混凝土烟道来的热脏烟气通过升压风机，再通过热交换器入口进入热交换器。

youdao