double expansion steam engine 双膨胀蒸汽机
non-expansion steam engine 非膨胀式蒸汽机
single expansion steam engine 单胀式蒸汽机
triple expansion steam engine 三段膨胀蒸汽机
compound expansion steam engine 复膨胀式蒸汽机
dual compound expansion steam engine 双联双胀式蒸汽机
double expansion compound steam engine 两级膨胀复式蒸汽机
应用推荐