"It's a variable-pitch propeller, which is like having gears on a bike," Land says.
2
此外,明阳的自主制造和生产齿轮箱,发电机,变桨距控制系统的检测设施,是按计划进行的。
In addition, Ming Yang's self-manufacturing and testing facilities to produce gearbox, generator and pitch control system are progressing as planned.
3
介绍了电动变桨距系统的结构,阐述了变桨距系统在运行中因变桨轴承故障而存在的问题。
Introduced electric pitch from the structure of system and elaborated electric pitch from system in the movement because of electric pitch system bearings failure but existent problem.