gearbox

Unlike a conventional turbofan, it uses a gearbox rather than a shaft between the fan and the turbine.

与传统的涡扇发动机不同它并非使用一根轴而是用齿轮箱将风扇与涡轮连接起来。

Doherty says: "There is no underwater generator, power electronics or gearbox underwater to go wrong.

道尔蒂说：“没有水下发电机、电力电子系统、水下齿轮箱会坏。