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。
Examine the spinner, fan blades, and stage 1 booster vanes for evidence of foreignobject damage.
检查整流锥、风扇叶片、增压器第一级静子叶片有无外物击伤的情况。
Examine the spinner, fan blades, and stage 1 booster vanes for evidence of foreignobject damage.
检查整流锥、风扇叶片、增压器第一级静子叶片有无外物击伤的情况。
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