释义 |
塔轮tǎlún几个直径不同的轮按大小顺序装在同一轴上构成的皮带轮,形状像宝塔。传动带挂在不同直径的轮上,轴的转动速度不同。{cone pulley; stepped pulley, consisting of a number of wheels of different diameters and put together on the same axis in the shape of a pagoda, so that the turning speed of the axis can be adjusted by shifting the belt to a chosen wheel} |