hotel installation system
hotel installation system
酒店安装系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In the instruction of industry and civil, hotel, grogshop, library, the department of scientific research and trade, the fire alarm system has become the necessary installation.
在工业和民用建筑、宾馆、酒店、图书馆、科研和商业部门，火灾报警系统已成为必要的装置。
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