bow string
| centralizer
| bow string abbr. | |
| archer. | 弓弦 |
| centralizer abbr. | |
| dril. | 扶正器; 扶正器 |
| eng.geol. | 对中器; 定心器 |
| space | 定中心夹具 |
| tech. | 定中心装置; 导中器; 换位矩阵; 对冲器 |
| tech. од. | 中心化子 |
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| 弓弦 | |||
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bow string : 9 phrases in 6 subjects |
| Architecture | 1 |
| Drilling | 1 |
| General | 2 |
| Oil / petroleum | 1 |
| Technology | 2 |
| Textile industry | 2 |