 |
| |||
| 隘道; 喉道; 关键 | |||
| 瓶颈; 阻塞; 薄弱环节; 缩径井段 | |||
| 瓶颈制约 | |||
| |||
| 瓶颈谷; 峡谷; 瓶颈 | |||
| 瓶颈 (现象) | |||
| 阻塞颈 | |||
| 缩颈处 | |||
| 瓶颈领 | |||
| bottle-neck: 16 phrases in 10 subjects |
| Agriculture | 1 |
| Business | 1 |
| Chemistry | 2 |
| Economy | 2 |
| Life sciences | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Selective breeding | 1 |
| Technology | 4 |
| Textile industry | 1 |