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| reset pressure | |||
| raw pressure | |||
| virgin pressure; initial pressure | |||
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原始 压力 : 30 phrases in 8 subjects |
| Bridge construction | 1 |
| Drilling | 4 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 6 |
| Mining | 5 |
| Oil / petroleum | 5 |
| Technology | 6 |
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