防火: fire prevention; fire safety ...洞: hole; cavity孔: hole; opening; aperture建筑: build; construct; erect构件: member; construction member; ...上: upper; up; upward穿过: pass through; cross over; pa ...管子: Guan Zhong防火洞孔: fire rated penetration建筑防火: building fire protection; elementary architecture; structural fire precaution历史建筑防火标准: code for fire protection of historic structures防火构架: fire-proof frame防火构造: fire protection construction; fire-resistive construction; fireproof construction国家建筑防火材料监督检测中心: national centerfire building materials建筑防火材料喷涂工程公司: architectural fire prevention materials and spraying co; architectural fire-prevention materials and spraying co防火: fire prevention; fire safety; fireproof 海上防火 fire prevention at sea; 采取特别措施防火 take special precautions to prevent fire; 森林防火是你们的责任。 prevention of forest fires is up to you半防火建筑: semi fireproof co truction; semi fireproof construction; semi-fireproof construction; semifireproofco truction不防火建筑: non-fireproof construction防火建筑: fire prevention building; fire proof construction; fireproof construction; frc fire resisting construction; non-combustible building非防火建筑: non fireproof co truction; non fireproof construction; non-fireproof construction耐火构件: fire retarding component防火安全建筑规范: fire-safety building code建筑设计防火规范: code for fire protection design of buildings建筑物防火安全: building firesafety耐火大厦,防火建筑: fire-proof building