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| 31. | pipeline leak detection |
| 管线检漏 |
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| 32. | gas leak indicator |
| 漏气检定器 |
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| 33. | snoop leak detector |
| 漏气检测器 |
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| 34. | spark leak detector |
| 火花检漏仪 |
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| 35. | electronic leak detector |
| 电子检漏仪 |
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| 36. | ultrasonic leak locator |
| 超声波泄漏定位仪 |
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| 37. | audible leak detector |
| 音响检漏器 |
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| 38. | viscous flow leak |
| 粘性流渗漏孔 |
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| 39. | to leak information |
| 走漏风声 |
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| 40. | cylinder leak tester |
| 气缸漏气率检验仪 |
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