例句與造句

1. Some motors have electronic rheostat-type speed controls, which obviates cone pulleys or gears.
2. Different spindle speeds could be obtained by moving the flat belt to different steps on the cone pulley.
3. Their Van Doorne transmission, using a belt drive between two adjustable coned pulleys, was widely used as the " Variomatic " in small Daf cars.
4. Therefore, early engine lathes were generally'cone heads', in that the spindle usually had attached to it a multi-step pulley called a " cone pulley " designed to accept a flat belt.
5. It's difficult to find cone pulley in a sentence. 用cone pulley造句挺難的