A.粒徑大于0.075mm的顆粒質(zhì)量超過(guò)總質(zhì)量50%的為粉砂,不足50%且塑性指數(shù)IP≤10的為粉土
	B.粒徑大于0.075mm的顆粒質(zhì)量超過(guò)總質(zhì)量50%的為粉砂,不足50%且塑性指數(shù)IP>3的為粉土
	C.粒徑大于0.1mm的顆粒質(zhì)量少于總質(zhì)量75%的為粉砂,不足75%且塑性指數(shù)IP>3的為粉土
	D.粒徑大于0.1mm的顆粒質(zhì)量少于總質(zhì)量75%的為粉砂,不足75%且塑性指數(shù)IP>7的為粉土