| 释义 |
paddle wheel
noun
1. : a wheel used to propel a steamship and originally having long paddles arranged about a hub or shaft end but later having floats or boards on its circumference and revolving in a vertical plane parallel to the ship's length
2. : a wheel with paddles that is used in a vat and that revolves and keeps hides or skins in motion while they are soaking in the course of being processed for leather |