单项选择题
组合楼盖中的压型钢板.采用()厚薄钢板辊压成波形板
A.t=0.65~1.6mm
B.t=0.75~1.6mm
C.t=0.75~1.7mm
D.t=0.65~1.7mm
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单项选择题
A.t=0.65~1.6mm
B.t=0.75~1.6mm
C.t=0.75~1.7mm
D.t=0.65~1.7mm
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