The second control return circuit is composed with a mutually connected weight limit switch, security door by-pass switch and a middle relay.

第二控制回路由互相串联的限重开关、安全门旁行程开关和中间继电器组成。

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When they saw us getting ready to pass, they flipped the switch.

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As you pass a major landmark, your phone may switch off your music and turn on an audio recording of a person describing a landmark you're passing.

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The digital switch extension, however, wouldn't be a free pass for broadcasters.

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