backup roll
| extractor
| backup roll | |
| met. од. | 支承辊 |
| tech. | 固定辊 |
| extractor | |
| met. | 抛料机; 提取设备; 隔离开关; 断路器; 脱模工具; 萃取器 |
| shoot. | 拉壳钩; 抓子钩 |
| sport. med. | 提取器 |
| |||
| ★ 支承辊 (【技】在四辊或多辊轧机上，用来支撑工作辊且直径比工作辊直径大的轧辊。) | |||
| 固定辊 | |||
| 支撑轧辊 | |||
|
backup roll : 33 phrases in 3 subjects |
| Metallurgy | 24 |
| Steel production | 4 |
| Technology | 5 |