这台挖掘机的液压系统使其能够轻松举起重物。

The ___hydraulic system in this excavator makes it easy to lift heavy objects.

液压系统利用液体来传递动力。

___Hydraulic systems use liquid to transfer power.

这个村庄使用水力发电来提供电力。

The village uses ___hydraulic power to generate electricity.