用作吊顶的轻钢龙骨,龙骨壁厚为( )。A.0.4~0.6mm B.5~1.5m

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问题 用作吊顶的轻钢龙骨,龙骨壁厚为( )。A.0.4~0.6mmB.5~1.5mmC.1.5m~2.5mmD.2.5~3.5mm

选项 A.0.4~0.6mm
B.5~1.5mm
C.1.5m~2.5mm
D.2.5~3.5mm

答案 B

解析 吊顶的轻钢龙骨,龙骨壁厚应为5~1.5mm
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