|
|
| 51. | casing withdrawal |
| 套管回收 |
|
|
| | |
| 52. | sheathed thermometer |
| 套管温度表 |
|
|
| | |
| 53. | slide valve thimble |
| 滑阀套管 |
|
|
| | |
| 54. | production casing |
| 生产套管 |
|
|
| | |
| 55. | slip-on type coupling |
| 滑动式套管 |
|
|
| | |
| 56. | casing penetration |
| 套管深度 |
|
|
| | |
| 57. | section mill cutter |
| 套管磨铣工具 |
|
|
| | |
| 58. | oil well casing |
| 油井套管 |
|
|
| | |
| 59. | bell-weevil hanger |
| 套管挂 |
|
|
| | |
| 60. | blasting barrel |
| 导火线套管 |
|
|
| | |