Its water tank could only contain 5 tons of fresh water, a crew of 40 could only last a week at sea.

它的水槽仅仅容纳5吨淡水，40名乘员只可以在海上持续一个星期。

youdao

I wonder if you could supply us with 30 tons of fresh water before our ship leaves.

不知道你们是否能在我船离港前供应我们30吨淡水？

youdao

The country has 2, 000 tons of fresh water for each inhabitant while parched Australia has 25, 000 tons.

FORBES: China's Strict New Water Policy

Murray said Thursday that if the miners survived the collapse, they could continue to live on fresh air, food and water supplied through the holes until crews can remove tons of coal and rock that clogged a collapsed tunnel.

CNN: Camera lowered into mine cavity shows 'survivable space'