A.沖壓鋼腳手板 B.木腳手板 C.竹編板 D.大芯板
A.500 B.600 C.700 D.900
A.層高不大于5m時(shí)為6mm,層高大于5m時(shí)為8mm B.層高不大于5m時(shí)為8mm,層高大于5m時(shí)為6mm C.層高不大于5m時(shí)為7mm,層高大于5m時(shí)為5mm D.層高不大于5m時(shí)為5mm,層高大于5m時(shí)為7mm