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The circuit is wired so that it is powered up only when the car's ignition switch is closed.
该电路是有线,使其通电只有当汽车的点火开关已关闭。
youdao
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The circuit is wired so that it is powered up only when the car's ignition switch is closed.
该电路是有线,使其通电只有当汽车的点火开关已关闭。
youdao