reverse blocking state [电] 反向阻断状态
forward and reverse blocking state 正向闭锁状态
reverse e blocking state 反向截止状态
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During t1 a reverse voltage must be maintained across the thruster and only after this time is the device capable of blocking a forward voltage without going into its on-state.
在t1期间，通过半导体闸流管维持一反向电压，并且正是在这之后，设备易于保持一正向电压，而无需开启电源。
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