首页/ 题库 / [单选题]械排烟管道材料必须采用(  )。的答案

械排烟管道材料必须采用(  )。

单选题
2021-07-18 12:54
A、不燃材料
B、难燃材料
C、可燃材料
D、A、B两类材料均可
查看答案

正确答案
A

试题解析
A

感兴趣题目
机械排烟管道材料必须采用()。
机械排烟管道材料必须采用()。
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
建筑材料,按其使用功能划分为建筑装修修饰材料、保温隔声材料、管道材料以及施工材料等。建筑材料的防火性能一般用建筑材料的()来表述。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
《高层民用建筑设计防火规范》规定,高层建筑电缆井、管道井、排烟道、排气道、垃圾道等竖向管道井的设置要求有()
采用自然排烟系统的场所应设置自然排烟窗,某建筑高度为60m,每层层高为5m的建筑,房间建筑面积为1000m2,在其房向设置了自然排烟窗,下列关于该建筑设计方案中,不符合建筑防烟排烟系统技术标准的是()。
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

机械排烟管道材料必须采用(  )。
械排烟管道材料必须采用(  )。   
械排烟管道材料必须采用(  )。
排烟管道必须采用()制作。
防烟与排烟系统中的管道、风口及阀门等必须采用难燃材料制作。排烟管道应采取隔热防火措施或与可燃物保持不小于150mm的距离。
建筑材料,按其使用功能划分为建筑装修修饰材料、保温隔声材料、管道材料以及施工材料等。建筑材料的防火性能一般用建筑材料的()来表述。
《高层民用建筑设计防火规范》规定,高层民用建筑排烟设计中,当机械加压送风的防烟楼梯间和合用前室必须共用一个系统时,应在通向合用前室的支风管上设置()
烟管道以及排烟系统的柔性短管必须采用()
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
可以在()阶段采用Make-or-buy决策分析。
机械排烟管道材料必须采用()。
广告位招租WX:84302438

免费的网站请分享给朋友吧