|
|
| 21. | mechanical core taker |
| 机械式取心器 |
|
|
| | |
| 22. | pressed - core cable |
| 压心电缆 |
|
|
| | |
| 23. | four core cable |
| 四心电缆 |
|
|
| | |
| 24. | core barrel ring |
| 取心筒垫圈 |
|
|
| | |
| 25. | round core wire |
| 圆形心线 |
|
|
| | |
| 26. | lumber core construction |
| 厚心板结构 |
|
|
| | |
| 27. | rosin-core solder |
| 松脂心焊料 |
|
|
| | |
| 28. | core boring method |
| 取心钻探法 |
|
|
| | |
| 29. | wireline core drilling |
| 绳索取心钻探 |
|
|
| | |
| 30. | core barrel support |
| 取心筒支座 |
|
|
| | |