class b fire 中文意思是什麼

class b fire 解釋
乙類火
  • class : n 1 階級;社會等級。2 學級;班級,年級,級,班;組;(有組織的)講習班;〈美國〉同年畢業班;【軍事...
  • b :
  • fire : n 1 火,火焰;火災;燃燒;爐火,烽火。2 射擊;火力。3 火花,閃光;光輝。4 熱情,熱烈,熱心;生氣...
  1. Fire test standard for class 1 : a insulated wall or walls and ceilings or roofs ; b plastic interior finish materials ; c plastic exterior building panels ; d wall and wall and ceiling coating systems ; e interior or exterior finish systems

    1級防火試驗標準: a絕緣墻或墻壁和天花板或屋頂; b塑料內部終飾材料; c塑料外部建築面板; d墻和墻和天花板塗覆系統; e內部或外部終飾系統
  2. B class fire door

    B級防火門
  3. Shipbuilding and marine structures - windows and side scuttles for fire - resistant constructions ; specifications - part 1 : " b " class divisions ; identical with iso 5797 - 1 : 1989

    造船和海上結構物.耐火結構的窗和舷窗.規范.第1部分
  4. Class b fire alarm b

    類火災報警
  5. B class fire door self - closing

    B級自閉式防火門
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