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| 41. | hand priming of pump |
| 手起动泵 |
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| 42. | fill with priming liquid. |
| 填充可以燃烧的液体。 |
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| 43. | diffuser priming of pump |
| 扩散器启动泵 |
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| 44. | cleaning and priming machine |
| 除锈-涂底漆联合作业机 |
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| 45. | self-priming centrifugal pump |
| 自吸式离心泵 |
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| 46. | hand priming lever spring |
| 手摇杆弹簧 |
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| 47. | centrifugal self-priming pump |
| 离心式自吸泵 |
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| 48. | self-priming water pump |
| 自吸水泵 |
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| 49. | fuel oil priming pump |
| 起动充油泵、起动燃油泵 |
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| 50. | pyrophoric alloys |
| 发火合金 |
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