楼宇安全门语音控制系统设计。
我们会检讨各个有关楼宇安全贷款基金的适用范围。
这座楼宇的结构是安全的。
物业公司于近期多次接到园区业主对各楼宇门禁系统安全管理的意见。
The management office recently received many opinions about the security system management in each unit.
物业公司于近期多次接到园区业主对各楼宇门禁系统安全管理的意见。
The management office recently received many opinions about the security system management in each unit.
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