Someone sabotaged the lower bridge, and you're the only stranger around.

有人破坏了下游的那座桥，而你是这里唯一的陌生人。

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A new current detection method is introduced aimed at lower bridge arm modulation when motor is operating at six states.

针对三相六拍两两导通且下桥臂开关管调制方式提出了新型电流检测方案。

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Theoretically analyzed the cause of the non-conduction phase current with the PWM method of upper and lower bridge arm chopping by turns, and made some experiments to verify its validity.

结合上下桥臂轮流斩波PWM调制方式，从理论上分析了不导通相电流产生的原因，并进行了实验研究，表明不导通相电流的大小与不导通相的反电势大小有关。

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But you can use the water to to hit balloons and the occasional paddlewheel to lower a bridge or rotate a crane.

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Then I was across the bridge and in lower Manhattan, another world, still without power.

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The bridge's curved overhead girders are higher in the center of the bridge but sweep lower toward a driver's right side.

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