A.50mm B.100mm C.150mm D.200mm
A.当构件厚度≥5mm时,不小于86μm B.当构件厚度<5mm时,不小于65μm C.当构件厚度≥5mm时,不小于96μm D.当构件厚度<5mm时,不小于75μm
A.100MM B.150MM C.200MM D.300MM