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| job depth | |||
| working depth | |||
| permissible drawdown | |||
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| operating water depth | |||
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工作深度 : 11 phrases in 6 subjects |
| Electronics | 1 |
| Engineering geology | 1 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Navigation | 1 |
| Technology | 4 |
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