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| 水压试验; 压水试验; 液压试验 | |||
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| 水液压试验 | |||
| 液高压试验 | |||
| 液压试验; 水压试验; 压水试验 | |||
| 水液压试验 | |||
| 水压试验液压试验 | |||
| 液［水］压试验 | |||
| 油压试验 | |||
| hydraulical pressure test: 6 phrases in 4 subjects |
| Compressors | 1 |
| Mechanics | 1 |
| Shipbuilding | 3 |
| Technology | 1 |
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