The supersonic through flow(STF)fan engine is a new concept with many advantages.

超音通流风扇发动机概念新、优点突出。

The field replacing and repairing technologies of various stages fan blades for an turbofan engine were studied.

研究了在外场更换和修理某型涡扇发动机各级风扇叶片的技术。

This experience will be very helpful in the design of test for high by-pass ratio turbofan engine and propeller-fan engine.

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。

As the bypass ratio of turbofan engine is more and more high, fan noise is a more important part to the overall turbofan engine noise.

随着飞机广泛使用的涡轮风扇发动机涵道比的不断提高，风扇噪声在飞机总噪声中占有越来越突出的地位。

The F-35B is powered by a single Pratt &Whitney F135 engine driving a Rolls-Royce lift fan.

这架F - 35B战斗机是由普惠公司F135型单一发动机引擎驱动劳斯莱斯升力风扇。