The -f switch tells wish to run the script and then exit.

f开关告诉wish运行该脚本，然后退出。

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Step 5: Look for an emergency exit or emergency door release switch.

寻找紧急出口或紧急开门按钮。

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Manual switch is foreseen at the exit gate according to Chinese code.

规范在出口大门处安装手动开关。

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Manual switch is foreseen at the exit gate according to Chinese code.

规范在出口大门处安装手动开关。

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