triple-expansion steam pump的意思|示意
美 / /
英 / /
三胀式蒸汽泵
triple-expansion steam pump的网络常见释义
三膨胀式蒸汽泵 ... 蒸汽泵联轴器 steam pump coupling 三膨胀式蒸汽泵 triple-expansion steam pump 蒸汽机泵 bull engine ; steam pumping engine ...