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| 41. | The heat of fusion is the heat required to melt a substance at its normal melting temperature. |
| 熔化热是一种物质在其熔点温度全部熔化所需要的热量。 |
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| 42. | The metal hard seal fixed on the ball valve divides into the normal temperature and the high temperature |
| 金属硬密封固定球阀分为常温型和高温型，当使用温度大于180℃，订货时应注明使用温度。 |
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| 43. | An inert gas is one that exhibits great stability and extremely low reaction rates under normal temperature |
| 惰性气体是在常温和常压下非常稳定且反应率极低的气体。涉及惰性气体时存在两个主要的危险：窒息和压力。 |
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| 44. | , canplastify under the high temperature takes shape, and can demonstrate arubber elastic under the normal |
| 它是连接塑料和橡胶之间的桥梁，在高温下能塑化成型，在常温下又能显示橡胶弹性的一类材料，既有热塑性塑料的易加工性能，又具有热固性橡胶的性能。 |
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| 45. | In the labyrinthine Ministry the windowless, air-conditioned rooms kept their normal temperature, but |
| 迷宫一样的部里没有窗户，房间装了空调，还算凉爽； 可到了外边，人行道烫得烤人脚，高峰时地铁臭得熏死人。 |
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| 46. | Under normal conditions, high temperature increased ammonia loss by volatilization. |
| 在正常的生长条件下,高温可以增加大豆的氨挥发损失。 |
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| 47. | Besides, it shall be equipped with pipettes, centrifuge table high speed( refrigerated and normal temperature |
| 此外还应配备加样器、式高速离心机（冻及常温）台式低速离心机、温设备（浴和/或干浴仪）冰箱、匀器和可移动紫外灯等。 |
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| 48. | Based on the experiment of dust removal in a granular layer at normal temperature and the analysis of |
| 摘要在常温下，采用固体颗粒层进行过滤除尘的实验研究，并对实验结果进行分析，探索了过滤介质粒径、过滤层厚度和过滤速度对除尘效率和床层压力差的影响。 |
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| 49. | The hot austenite grain distribution and the phase composition at normal temperature were obtained with |
| 对轧后工件进行指定位置线切割取样，并用金相分析法得到变形后工件的高温奥氏体晶粒尺寸分布及低温相组成。 |
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| 50. | With the transaxle at normal operating temperature, drive in 1st and 2nd gear for at least 1 minute each |
| 利用在正常操作温度的变速箱，在第一和第二档每个档位驾驶至少1分钟。 |
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