A.Ⅰ類砂石粉含量(按質(zhì)量計(jì))≤1.0%,泥塊含量(按質(zhì)量計(jì))為0%
	B.Ⅱ類砂石粉含量(按質(zhì)量計(jì))≤3.0%,泥塊含量(按質(zhì)量計(jì))為≤1.0%
	C.Ⅱ類砂石粉含量(按質(zhì)量計(jì))<3.0%,泥塊含量(按質(zhì)量計(jì))為<1.0%
	D.Ⅲ類砂石粉含量(按質(zhì)量計(jì))≤5.0%,泥塊含量(按質(zhì)量計(jì))為≤2.0%
 
                            
	A.10L
	B.20L
	C.25L
	D.30L
