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。
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。
This system was composed of a temperature controlled tank , switch measurement circuit , temperature control circuit , interface circuit , an industrial manipulative computer, and so on.
本文介绍了温度继电器自动测试系统的设计，此系统由温控箱、开关量检测电路、温度控制电路、接口电路及工控机等硬件组成。
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