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41. | artificial atmospher |
| 人工气氛 |
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42. | atmosphere sintering |
| 气氛烧结 |
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43. | carburizing atmosphere |
| 渗碳气氛 |
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44. | mixed gas atmosphere |
| 混合气体气氛 |
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45. | separate atmosphere |
| 独立气氛 |
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46. | protective atmosphere |
| 保护气氛 |
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47. | oxidizing atmosphere |
| 氧化气氛 |
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48. | neutral atmosphere |
| 中性气氛 |
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49. | prepared atmosphere |
| 制备气氛 |
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50. | reactive atmosphere |
| 活性气氛 |
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