耐火等级为二级时楼板和吊顶的耐火极限应满足()。 A: 1.50h,0.25 h B: 1.00h,0.25h C: 1.50h,0.15h
耐火等级为二级时楼板和吊顶的耐火极限应满足()。 A: 1.50h,0.25 h B: 1.00h,0.25h C: 1.50h,0.15h
耐火等级为二级时楼板和吊顶的耐火极限应满足() A: 1.5h,0.25h B: 1.00h,0.25h C: 1.50h,0.15h D: 1.00h,0.15h
耐火等级为二级时楼板和吊顶的耐火极限应满足() A: 1.5h,0.25h B: 1.00h,0.25h C: 1.50h,0.15h D: 1.00h,0.15h
耐火等级为二级时楼板和吊顶的耐火极限应分别满足()。 A: 1.50h和0.25h B: 1.00h和0.25h C: 1.50h和0.15h D: 1.00h和0.15h
耐火等级为二级时楼板和吊顶的耐火极限应分别满足()。 A: 1.50h和0.25h B: 1.00h和0.25h C: 1.50h和0.15h D: 1.00h和0.15h
耐火等级为二级时楼板和吊顶的耐火极限应分别满足()。 A: 1.50h和0.25h B: 1.00h和0.25h C: 1.50h和0.15h D: 1.00h和0.15h
耐火等级为二级时楼板和吊顶的耐火极限应分别满足()。 A: 1.50h和0.25h B: 1.00h和0.25h C: 1.50h和0.15h D: 1.00h和0.15h
25. 耐火等级为二级时楼板和吊顶的耐火极限应分别满足( )。 A: 1.50h和0.25h B: 1.00h 和0.25h C: 1.50h和0.15h D: 1.00h 和0.15h
25. 耐火等级为二级时楼板和吊顶的耐火极限应分别满足( )。 A: 1.50h和0.25h B: 1.00h 和0.25h C: 1.50h和0.15h D: 1.00h 和0.15h
耐火等级为二级时,楼板和吊顶的耐火极限应分别满足[] A: 1.50h,0.25h\n B: 1.00h,0.25h\n C: 1.50h,0.15h\n D: 1.00h,0.15h
耐火等级为二级时,楼板和吊顶的耐火极限应分别满足[] A: 1.50h,0.25h\n B: 1.00h,0.25h\n C: 1.50h,0.15h\n D: 1.00h,0.15h
25. 耐火等级为二级时楼板和吊顶的耐火极限应分别满足( )。 A: 1.50h和0.25h B: 1.00h 和0.25h C: 1.50h和0.15h D: 1.00h 和0.15h
25. 耐火等级为二级时楼板和吊顶的耐火极限应分别满足( )。 A: 1.50h和0.25h B: 1.00h 和0.25h C: 1.50h和0.15h D: 1.00h 和0.15h
耐火等级为二级时,楼板和吊顶的耐火极限应分别满足[] A: 1.50h,0.25h\n B: 1.00h,0.25h\n C: 1.50h,0.15h\n D: 1.00h,0.15h
耐火等级为二级时,楼板和吊顶的耐火极限应分别满足[] A: 1.50h,0.25h\n B: 1.00h,0.25h\n C: 1.50h,0.15h\n D: 1.00h,0.15h
25. 耐火等级为二级时楼板和吊顶的耐火极限应分别满足( )。 A: 1.50h和0.25h B: 1.00h 和0.25h C: 1.50h和0.15h D: 1.00h 和0.15h
25. 耐火等级为二级时楼板和吊顶的耐火极限应分别满足( )。 A: 1.50h和0.25h B: 1.00h 和0.25h C: 1.50h和0.15h D: 1.00h 和0.15h
耐火等级为二级时楼板和吊顶的耐火极限应分别满足 。 A: A、1.50h和0.25h B: B、1.00h和0.25h C: C、1.50h和0.15h D: D、1.00h和0.15h
耐火等级为二级时楼板和吊顶的耐火极限应分别满足 。 A: A、1.50h和0.25h B: B、1.00h和0.25h C: C、1.50h和0.15h D: D、1.00h和0.15h