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[单选题]
现金业务库区相领通风口栅栏钢筋直径应不小于14mm,间距应不大于mm*mm()
A.50mm,50mm
B.100mm,100mm
C.150mm,150mm
D.200mm,200mm
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.50mm,50mm
B.100mm,100mm
C.150mm,150mm
D.200mm,200mm
第3题
B.20厘米*20厘米
C.30厘米*30厘米
D.40厘米*40厘米
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