静止叶片引导空气进入并加以整流，使其在燃烧室内更易于与燃气混合并点燃。
This air is guided and diffused by static blades to allow for easier ignition when it mixed with fuel and ignited in a combustion chamber.
它通常出现在射频，叶片通过频率和整流子刷频率，其高次谐波。
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
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.
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