A.2.7~3.0mm B.2.7~3.5mm C.3.0~3.5mm D.3.5~4.0mm
单项选择题铝模板的抗压强度为()
A.20N/m2 B.25N/m2 C.30N/m2 D.35N/m2
单项选择题铝模板的净重为()
A.15~20Kg/m2 B.20~25Kg/m2 C.20~30Kg/m2 D.25~30Kg/m2