Main breaker a main breaker is a circuit breaker at the input or output of the bus, through which all of the bus power must flow.
主开关主开关是在母排输入或输出端的线路断路器，所有的电流都要从那通过。
The new method is used to study transonic flow in cascades and one kind of complex unsteady transonic axisymmetric flow in arc breaker.
利用本文的方法，分别计算了跨声速叶栅流动和工程中一类复杂非定常轴对称跨声速流动。
But we do not yet have a circuit-breaker design that can cut off the extraordinary current that would flow over a SuperCable.
但目前还没有设计出一种断路器，可截断在超级电缆上流动的超大电流。
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