隔热毯可防止火焰和发动机 运行产生的热量对风扇函道内夹芯组件复合材料的损害。
The thermal insulation prevents fire and engine operation heat damage to the composite inner wall of the fan duct cowl.
这些经验对于我们今后设计大函道比涡扇发动机和螺浆风扇发动机试车台时，将是十分有用的。
This experience will be very helpful in the design of test for high by-pass ratio turbofan engine and propeller-fan engine.
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