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| 71. | The body appears to remain suspended in space if it has no initial velocity relative to the elevator. |
| 如果物体相对于升降机没有初速度的话，这个物体看起来就好象是一直悬在空中不动。 |
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| 72. | skip hoist |
| 料斗升降机 |
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| 73. | The shape of a liquid globule in a free-falling elevator is calculated. |
| 定量讨论了自由降落升降机中实际液滴的形状. |
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| 74. | a small elevator used to convey food (or other goods) from one floor of a building to another. |
| 在一个建筑物内部用来从一层到另一层传送饭菜的小升降机。 |
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| 75. | The miners are lowered into the mine by means of an elevator known as a cage. |
| 矿工借助于叫作罐笼的升降机下井。井筒里通常还安装有绞车，一种用来提升矿石的斗式升降机。 |
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| 76. | Tanya： I had a really embarrassing experience in the elevator this morning. |
| 坦尼娅：今天早上我在升降机里的遭遇尴尬极了。 |
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| 77. | In a Leipzig elevator: Do not enter the lift backwards, and only when lit up. |
| 请不要倒著走进升降机,而且只在灯亮的时候。 |
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| 78. | The blue ground is blasted into large pieces of rock which are carried to the surface by elevator. |
| 人们把这种蓝色脉岩炸成大块的岩石，再用升降机把它们运到上面。 |
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| 79. | retraction jack |
| 升降机 |
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| 80. | explosing-proof lift |
| 防爆升降机 |
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