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如图所示,附墙穿墙螺杆,垫板尺寸规格不得小于( )
A.100mm*150mm*10mm
B.150mm*100mm*10mm
C.100mm*100mm*10mm
D.150mm*100mm*20mm
参考答案:C
解析:(必会题)JGJ202-2010 4.4.5.4:附墙支座受拉螺栓的螺母不得少于两个或应采用弹簧垫圈加单螺母,垫板尺寸应由设计确定,且不得小于100mm*100mm*10mm。
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