| 释义 |
天轴tiānzhóu
1.通过皮带和皮带轮来转动车间中全部或一组机械的总轴,多用电动机带动。过去常装在厂房的高处,所以叫天轴。{line shaft; main shaft which drives all machines or a set of machines in a workshop by means of belt and pulley, usu. driven by an electric motor. It is normally installed at a high place in a workshop, hence the name.}
2.指地球自转轴无限延长与天球相交的假想轴线。{celestial axis; imaginary earth axis that extends infinitely to meet the celestial sphere} |