青云英语翻译
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[translate] 当火灾报警探测器,手动报警按钮或
当火警探测器、 手动报警按钮或
当火警探测器,手工警报按钮或者
当火警警报探测器、手动报警按钮或
当火警探测器、 手动报警按钮或
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