This paper discusses two modes of data access and SQL technique. It also introduces the implementation of the high-speed data access in multi-windows fire-fighting CAD system.
讨论了CAD应用系统的两种数据存取方式及SQL技术，实现了多窗口消防CAD系统数据的高速存取。
Tools and devices should be placed as not to cause the tripping hazard. Never block the access to fire fighting equipment and other safety equipments.
工具和设备应放在不能导致绊倒危险的地方，严禁放置在阻碍消防设备和其他安全设施的地方。
Tools and devices should be placed as not to cause the tripping hazard. Never block the access to fire fighting equipment and other safety equipments.
工具和设备应放在不能导致绊倒危险的地方，严禁放置在阻碍消防设备和其他安全设施的地方。
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