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新规民用建筑防火分区

建筑防火间距应该多少

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建筑防火设计规范 保温

Monday - Thursday 9.00 - 20.00
Friday 9.00 - 16.00
Saturday 9.00 - 14.00
Sunday Closed

建筑防火墙设置

45

Branches

65

Staffs

2560

Customers

18

Years Experience