| 1. | Oil gushed from the well . 石油从井口喷了出来。 |
| 2. | The heavy drilling apparatus was blown sky high out of the hole with a tremendous roar . 那沉重的钻井设备随着一声惊人的怒吼,脱离井口,飞向高空。 |
| 3. | " i found myself crouching over sally swanger ' s well "我躺在萨莉斯旺吉家的井口 |
| 4. | The wireless digital transmission system of hole top signal 井口信号无线数传系统 |
| 5. | Specification for wellhead and christmas tree equipment 井口和采油树设备的规范 |
| 6. | Oil fields : freeze protcction for oil extraction tree 油田井口采油树的伴热防凝。 |
| 7. | Monitoring device for operating system in coal mine mouth 煤矿井口操车系统监控装置 |
| 8. | Specification for wellhead and christmas tree equipment 井口装置和采油树规范 |
| 9. | " i found myself crouching over sally swanger ' s well . . "我躺在萨莉?斯旺吉家的井口. . |
| 10. | Securely connect the hydraulic connector to the wellhead 确保液压连接器连接到井口上。 |