滑车

They use the tackle to lift the machine.

他们用滑器抬起来。

Rotational alignment of the trochlear component parallel to the epicondylar axis optimizes patellar tracking.25,26 Palpation of the epicondyles is difficult, particularly when using smaller incisions.

与上踝轴平行的滑成分旋转位移能使髌骨痕迹最优化25.26。上踝触诊很难，此是使用小切口时。