Broken wire overvoltage usually happens in distribution power grid because the wires in such grid are easily damaged by outer forces due to the thinner conductors and lower wire pole.
断线过电压一般发生在配网中，与配网导线较细、杆塔较低、宜受外力破坏有关。
Enormously complicated, it contained 610 feet of electrical wire and required 40 seconds to raise or lower the lid.
该车设计极为复杂，车内含有610英尺长的电线，升起或放下车顶需要40秒。
And computerised "fly-by-wire" controls allow the X2 to be flown relatively easily. at lower altitude temperatures.
计算机化的“有线飞行”控制使得X 2比较容易放飞。
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