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【多选题】
扣件式钢管脚手架的剪刀撑设置应满足以下( )等要求。
A.
每道剪刀撑宽度不应小于3跨
B.
高度在24m及以上的双排脚手架应在外侧面连续设置剪刀撑
C.
高度在24m以下的单、双排脚手架，均须在外侧两端、转角及中间间隔不超过15m的立面上，各设置一道剪刀撑，并由底至顶连续设置
D.
剪刀撑斜杆应用旋转扣件固定在与之相交的纵向水平杆或立杆上
E.
剪刀撑斜杆与地面的倾角应在45°~60°之间
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参考答案：
举一反三
【单选题】定时限过流保护动作时限级差一般为( ) 。
A.
0.5秒
B.
0.7秒
C.
0.9秒
D.
3秒
查看完整题目与答案
【单选题】反时限过电流保护动作时限的整定时,为满足选择性的要求,前后两级保护装置的动作时限级差△t一般取多少秒?
A.
0.7s
B.
0.5s
C.
1s
D.
没有规定值
查看完整题目与答案
【单选题】定时限过流保护动作时限的级差一般为( ) 。
A.
0.5s
B.
O.7s
C.
l.5s
D.
3s
查看完整题目与答案
【简答题】Complete the following with every, each, everyone, every one or all. The village where my sister lives is so small that she knows and knows her. I have several dreams last night was funnier than the l...
查看完整题目与答案
【单选题】定时限过电流保护动作时限的整定时,为满足选择性的要求,前后两级保护装置的动作时限级差△t一般取多少秒?
A.
0.7s
B.
0.5s
C.
1s
D.
没有规定值
查看完整题目与答案
【简答题】用所给词的正确形式填空。 Gold is ___(little) useful than iron. My sister is two years ___(old) than I. Mary's parents have three daughters, and she is the ___(young)child. The ___(cheap) bags are not usually the ...
查看完整题目与答案
【单选题】定时限过流保护动作时限的级差一般为（）。
A.
0.5s
B.
0.7s
C.
1.5s
D.
3s
查看完整题目与答案
【单选题】The boy is _______ my sister, so he sits in front of her.
A.
as tall as
B.
taller than
C.
not as tall as
D.
the tallest
查看完整题目与答案
【单选题】My sister is three years ______than I. She is _______young _____go to school.
A.
young; too; to
B.
younger; enough; to
C.
younger; too ;to
D.
young; so; that
查看完整题目与答案
【单选题】My brother likes to talk,but my sister__________ So she is_______ than him
A.
does;more outgoing
B.
doesn’t;quieter
C.
is;less outgoing
D.
isn’t;less active
查看完整题目与答案
相关题目：
【单选题】定时限过流保护动作时限级差一般为( ) 。
A.
0.5秒
B.
0.7秒
C.
0.9秒
D.
3秒
查看完整题目与答案
【单选题】反时限过电流保护动作时限的整定时,为满足选择性的要求,前后两级保护装置的动作时限级差△t一般取多少秒?
A.
0.7s
B.
0.5s
C.
1s
D.
没有规定值
查看完整题目与答案
【单选题】定时限过流保护动作时限的级差一般为( ) 。
A.
0.5s
B.
O.7s
C.
l.5s
D.
3s
查看完整题目与答案
【简答题】Complete the following with every, each, everyone, every one or all. The village where my sister lives is so small that she knows and knows her. I have several dreams last night was funnier than the l...
查看完整题目与答案
【单选题】定时限过电流保护动作时限的整定时,为满足选择性的要求,前后两级保护装置的动作时限级差△t一般取多少秒?
A.
0.7s
B.
0.5s
C.
1s
D.
没有规定值
查看完整题目与答案
【简答题】用所给词的正确形式填空。 Gold is ___(little) useful than iron. My sister is two years ___(old) than I. Mary's parents have three daughters, and she is the ___(young)child. The ___(cheap) bags are not usually the ...
查看完整题目与答案
【单选题】定时限过流保护动作时限的级差一般为（）。
A.
0.5s
B.
0.7s
C.
1.5s
D.
3s
查看完整题目与答案
【单选题】The boy is _______ my sister, so he sits in front of her.
A.
as tall as
B.
taller than
C.
not as tall as
D.
the tallest
查看完整题目与答案
【单选题】My sister is three years ______than I. She is _______young _____go to school.
A.
young; too; to
B.
younger; enough; to
C.
younger; too ;to
D.
young; so; that
查看完整题目与答案
【单选题】My brother likes to talk,but my sister__________ So she is_______ than him
A.
does;more outgoing
B.
doesn’t;quieter
C.
is;less outgoing
D.
isn’t;less active
查看完整题目与答案
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