In water conservancy and hydropower projects ot plain, the large quantities of smallpowerstation of low water head and large discharge have been built in our country.
在平原地区水利水电工程中,我国建造了一大批低水头、大流量的小型水电站。
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The smallpowerstation above the cascade The cascade formed by the big height gap is magnificent. When pouring, its water smog and crash sound can be seen and heard all over the valley.
For example, the researchers last week said they had managed to gather enough energy from a TV station a half-kilometer away to power a small temperature sensor.