该系统是根据标准四螺栓山地车曲柄和标准BB山地车设计，所以这个新设计可以被几乎所有的现代DH自行车和框架使用。

As the system is designed to fit around a standard four-bolt mountain bike crankset and standard BB mounting, the advantages of the new system can be obtained on almost any modern DH bike or frame.

youdao

此外，由于设计简单，Jhai电脑还可以用借助自行车曲柄充电的汽车电池来提供电源- - -这样就不必连接电网了。

Furthermore, because of its simplicity, a Jhai PC can be powered by a car battery charged with bicycle cranks — thus removing the need for a connection to the grid.

youdao

自行车的踏板与曲柄相连。

The pedals of a cycle are attached to a crank.

youdao