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centre pin
| socket
| centre pin | |
| met. | 中心销; 球端心轴; 中枢 |
| socket | |
| golf. | 杆头后部击球 |
| hydroel.st. | 套管; 管座 |
| radio.amat. | 插孔 |
| space | 网络通信接口; 套接字; 插座 |
| |||
| 中心销; 球端心轴; 中枢 | |||
| centre pin: 6 phrases in 3 subjects |
| Automobiles | 1 |
| Plastics | 2 |
| Technology | 3 |
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