Another way to store hydrogen is to put something inside the tank which increases the total internal surface area to which the molecules of the gas can cling.
储存氢的另一方法是在燃料箱中放点东西，增加氢分子能够附着的内表面总面积。
2
And an underground tank can store one million seven hundred thousand liters of rainwater for air conditioning and other systems.
同时地下水箱可以贮存170万升的雨水用于空调和其他设备。
3
Of course they'd need to design a tank that could store enough air to fuel a long haul.