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41. | north-upward presentation |
| 北向朝上表示法 |
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42. | upward flow chromatography |
| 上向流色谱法 |
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43. | upward identification light |
| 上部标志灯 |
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44. | vertical upward welding |
| 向上立焊 |
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45. | upward ozone transfer |
| 臭氧的向上输送; 臭氧的上升输送 |
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46. | upward-flow evaporator |
| 上流式蒸发器 |
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47. | upward type bias |
| 向上型偏倚 |
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48. | vertical upward force |
| 垂直上升力 |
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49. | upward-continued field |
| 向上延拓场 |
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50. | be revaluated upward |
| 被增值 |
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