| 释义 |
- n.管；塑料管；管状物；金属管
- 网络油管；管道；敷设管道
adj.+n. copper tubing,steel tubing 1. | 管；管状物；金属管；塑料管metal, plastic, etc. in the shape of a tube |
| a length of copper tubing 一截铜管 |
n. | 1. a system or series of tubes 2. the hollow cylindrical material that tubes are made of 3. the activity of floating on water or sliding on snow while sitting on an inner tube, as a way of having fun |
|