turbine-propeller aircraft engine

Counter-rotating turbine is one of the key technologies of gas turbine engine and it has great potential in elevating thrust-to-weight ratio of aero-engine and improving performance of aircraft.

对转涡轮技术是燃气涡轮发动机的一项关键技术，它在提高发动机推重比以及飞机性能方面具有较大的发展潜力。

Shell Aviation have been the major supplier of gas turbine engine oils for Cathy Pacific for over twenty five years aircraft derived gas turbine

过去的25年以来，壳牌航空一直是国泰航空公司飞机燃气涡轮发动机用润滑油的主要供应商

In the recent few years, counter-rotating turbine has been more and more regarded because it can offer some significant benefits compared with conventional two stage turbine, such as the elevated thrust-to-weight ratio of aero-engine, the improved performance of aircraft, and so on.

近年来，对转涡轮技术作为可提高航空发动机推重比及飞机性能的有效技术越来越受到重视。

Sales and Marketing of Pre-Owned Helicopters and Turbine Aircraft. Engine and Aircraft parts Sales.

直升机和喷气式飞机的销售和市场推广,以及零件销售.