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| 孔 | |||
| 量孔; 量孔板; 测量孔板; 测量隔膜; 孔极流量计; 测量隔膜孔板; 孔板; 流量孔板 | |||
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измерительная диафрагма : 5 phrases in 3 subjects |
| General | 1 |
| Oil and gas | 1 |
| Technology | 3 |
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