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| 31. | cementing float collar |
| 注水泥浮箍 |
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| 32. | float type level meter |
| 浮子式水位计 |
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| 33. | float type flow meter |
| 浮子式流量计 |
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| 34. | tank deck float |
| 罐顶浮箱 |
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| | |
| 35. | float type pressure gage |
| 浮式压力计 |
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| 36. | flapper float shoe |
| 舌型浮鞋 |
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| 37. | float zone crysta |
| 浮区熔化晶体 |
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| | |
| 38. | cementing float shoe |
| 注水泥浮鞋 |
|
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| | |
| 39. | directional float tray |
| 浮舌塔盘 |
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| | |
| 40. | float mareograph |
| 浮式自记潮汐仪 |
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