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| 41. | screening process |
| 筛选工序 |
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| 42. | welding sequence |
| 焊接工序 |
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| 43. | quenching process |
| 冷却工序 |
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| 44. | machining process |
| 切割工序 |
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| 45. | mercerizing process |
| 丝光工序 |
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| 46. | subsidiary process |
| 次要工序 |
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| 47. | sequence of prestressing |
| 预应力工序 |
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| 48. | hazardous process |
| 危险工序 |
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| 49. | baking operation |
| 烘干工序 |
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| 50. | bleaching process |
| 漂白工序 |
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