| 1. | Friction soon developed in the colony .
没有多久，移民队内部发生了龃龉。
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| 2. | Oil is put in machinery to reduce the friction .
把油涂到机器上减少摩擦。
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| 3. | This is not the case when friction is present .
有摩擦时，情况就不是这样了。
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| 4. | Friction increases with increasing pretension .
摩擦力随预加张力的增加而增加。
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| 5. | The counterrotation reduces the net friction torque .
反向旋转减少了净摩擦力。
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| 6. | Friction lowers the frequency .
摩擦使频率减少。
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| 7. | Early pericarditis may also produce a friction thrill .
早期心包炎也会产生一种摩擦性震颤。
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| 8. | Boundary friction is independent of the guide material used .
边界摩擦与导纱杆材料质地无关。
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| 9. | He noticed the present friction between these countries .
他注意到了目前这些国家之间的摩擦。
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| 10. | Friction will be neglected .
摩擦忽略不计。
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