单选题:下列关于通风.空调系统的防火防爆措施,说法正确的是( ) 题目分类:消防安全技术实务 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: 下列关于通风.空调系统的防火防爆措施,说法正确的是( ) A.输送有燃烧爆炸危险的气体.蒸汽和粉尘的排风系统,其排风设备可以布置在地下室 B.排出温度超过80℃的空气或其他气体的管道互为上下布置时,表面温度较低者布置在上面 C.空气中含有容易起火或爆炸物质的房间,其送.排风系统应采用防爆型的通风设备 D.接触腐蚀性介质的遁风.空气调节系统的风管.风机等设备材料燃烧性能不得低于B1级 参考答案: 答案解析:
The best title for this passage may be___________. The best title for this passage may be___________.A.People Should Find a Job B.W 分类:消防安全技术实务 题型:单选题 查看答案
Directions: There are ten blanks in the following passage. F Directions: There are ten blanks in the following passage. For each blank there 分类:消防安全技术实务 题型:单选题 查看答案
Have you ever been in a situation___________you know the oth Have you ever been in a situation___________you know the other person is right y 分类:消防安全技术实务 题型:单选题 查看答案
The machine looked like a large ___________, old-fashioned t The machine looked like a large ___________, old-fashioned typewriter.A.forceful 分类:消防安全技术实务 题型:单选题 查看答案