Astrium公司已经对Romeo火箭引擎进行了相应的改造工作，以驱动飞船爬升至太空，并且风道测试已经证实了气动外形。公司很快将会开始火箭发动机测试。
Astrium has done considerable work already on the Romeo rocket engine that would power the climb to space, and wind tunnel testing has proven the aerodynamic shape.
爬升限重，取决于由一台发动机工作时的最低爬升梯度的最大起飞重量。
Climb LIMIT weight, Maximum takeoff weight based on a minimum climb gradient with one engine inoperative.
只有一些小型的飞机，以及那些用于在低空低速爬升飞行的用于农业以及灭火用途的飞机仍然使用活塞发动机。
Only small aircraft, and those needing tough low-speed propulsion at low altitudes, for agricultural work and fire-fighting, still have piston engines.
应用推荐