door escape louver的意思|示意
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英 / /
门百叶通风兼逃生口
door escape louver的网络常见释义
门百叶通风兼逃生口 door escape louver门百叶通风兼逃生口 Supposing( that) there was an earthquake, what would be the right way to escape?如果发生地震,正确的逃生方法是什么?