The bus Train, a dual-mode vehicle that has the versatility of a bus, the speed of light rail and fuel economy vastly better than either.
公交火车，一种双重模式的机动车，即拥有公交车的功能，也具有轻轨的速度，甚至是比两者都还节省燃油。
2
A study on the parameter matching for the powertrain of a four-wheel-drive fuel cell electric vehicle with dual energy sources and multiple motors is conducted.