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| 61. | reasonable velocity |
| 合理的速度|经济速度 |
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| 62. | switching speed |
| 开关速度|转换速度 |
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| 63. | The train speed is more than200 kilometers per hour now which is a new record for us. |
| 对于我们来说，子弹头列车以200公里以上的速度运行创造了一个新记录。 |
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| 64. | parallelogram of velocities |
| 速度的平行四边形;速度平行四边形 |
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| 65. | Abstract: Defining method of moving speed of vertical shaft hoist is discussed.The ralation of economy speed coefficient and hoisting height are expounded for calculating economy hoist speed.The hoist speed is adjusted according to change of hoisting assignment. |
| 文摘:论述立井提升机运行速度的确定方法，阐明经济速度系数与提升高度的关系，为计算经济提升速度提供依据，得出根据提升任务的变化相应地调整提升速度的结论。 |
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| 66. | superficial velocity |
| 表观速度|空塔速度 |
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| 67. | discharge velocity |
| 排出速度；卸油速度 |
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| 68. | fluctuation velocity |
| 脉动速度|波动速度加 |
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| 69. | velocity of discharge |
| 排出速度|排汽速度 |
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| 70. | velocity pattern |
| 速度场|速度分布模式 |
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