Of course, the range of the car is greater than this because the driver can switch to petrol if the hydrogen tank is empty.
当然，实际的行程远远超过这个，因为驾驶员可以在氢燃料用完后切换到使用汽油。
2
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
3
This system was composed of a temperature controlled tank , switch measurement circuit , temperature control circuit , interface circuit , an industrial manipulative computer, and so on.