A small tank inside the control box guarantees stable spray pressure and the use of one way and electronic valves allows spraying to be stopped immediately without continued dripping.

控制箱内有一个小的箱体，能保证稳定的喷雾压力，使用单向阀和电磁阀，这样就允许可以立即停止喷雾而没有雾滴继续滴落。

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The tank had leaked a small amount of water.

水箱渗漏出少量的水。

《牛津词典》

It looks like a tiny shallow sink with a small faucet, but it is in the shape of the rectangular tank.

它看起来像是个带龙头的浅洗手盆，但却是在正方形水箱中。

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What happens in many poor neighborhoods is that a small group takes control of the water kiosk or communal tank and sets its own tariffs for the water it sells by container.

VOA: standard.2010.08.04