The introduction of several advanced, efficient, and more robust power options over the years has largely overshadowed steam engine technology ... restricted to work with only stationary systems.
DICK:'James Watt's genius was to take the steam engine an invention that had been around for many years and make it work better and more efficiently than anyone else had managed and make himself a ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果