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| 孔板流量测定法 | |||
| orifice metering: 21 phrases in 10 subjects |
| Automobiles | 3 |
| Aviation | 5 |
| Compressors | 3 |
| Hydroelectric power stations | 2 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 3 |
| Transport | 1 |
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