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31. | fluctuations in discharge |
| 流量变化 |
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32. | discharge measurements |
| 流量测验 |
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33. | principle of flow |
| 流量原则 |
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34. | sprinkler discharge rate |
| 喷头流量 |
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35. | profile of flowrate |
| 流量分布图 |
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36. | flow rate of fan |
| 通风机流量 |
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37. | index of discharge |
| 流量指数 |
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38. | absolute flow rate |
| 绝对流量 |
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39. | flow characteristic |
| 流量特性 |
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40. | flow control device |
| 流量控制器 |
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