 |
| |||
| blank off pressure | |||
| lockup pressure | |||
| shut-off pressure | |||
| closing pressure | |||
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| reseat pressure | |||
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| sealing pressure | |||
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| shut-in pressure | |||
| 关闭 压力: 18 phrases in 6 subjects |
| Automobiles | 4 |
| Drilling | 2 |
| General | 1 |
| Oil / petroleum | 6 |
| Space | 1 |
| Technology | 4 |
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