 |
| Subject | Chinese | English |
| dril. | 标准桥塞作业 | standard bridge plug service |
| mining. | 过油管泄压桥塞作业的双计时器 | dual timer through tubing bleed off bridge plug service |
|
| Subject | Chinese | English |
| dril. | 标准桥塞作业 | standard bridge plug service |
| mining. | 过油管泄压桥塞作业的双计时器 | dual timer through tubing bleed off bridge plug service |