radius segment
| tool
| radius segment abbr. | |
| tech. | 圆角切刀 |
| tool abbr. | |
| dril. | 工 具 |
| hydroel.st. | 量具 |
| hydroel.st. од. | 工具 |
| mech. | 钻杆 |
| met. | 刃具; 刀具; 方法; 手段 |
| met. од. | 器械 |
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| 圆角切刀 | |||
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radius segment : 4 phrases in 2 subjects |
| Bridge construction | 1 |
| Technology | 3 |