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| 1. | When using clutch motors without applying brake, it has to be waited until the motor stopped totally. |
| 使用离合马达时，请等待马达完全停止之后再进行。 |
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| 2. | It is insanity to drive a car without any brake |
| 驾驶没有煞车的汽车确是愚不可及 |
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| 3. | Without friction, the brake would not work . |
| 如果没有摩擦力，制动器就不能制动。 |
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| 4. | You'll be playing with fire if you ride the bike without getting the brake fixed first. |
| 你要是不修好刹车就骑自行车，那是很危险的。 |
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