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Safe evacuation and fire lift;
安全疏散和消防电梯；
youdao
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Keep them by exits, and remember that safe evacuation is always the priority.
在出口处放置，并记住，安全疏散始终是优先事项。
youdao
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Keep them by exits, and remember that safe evacuation is always the priority.
在出口处放置，并记住，安全疏散始终是优先事项。
youdao