step pulley造句
例句与造句
- The process consists of two conductive pulleys ( " step pulleys " ), which the wire passes across after it is drawn.
- 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.
- It's difficult to find step pulley in a sentence. 用step pulley造句挺难的