A.1.8%~2.0%B.3.0%~3.5%C.2.0%~2.5%D.2.3%~2.6%
A.透明固體物質(zhì)B.乳黃液體物質(zhì)C.透明液體物質(zhì)D.咖啡色膠體物質(zhì)
A.2~3hB.0.5~1hC.0.8~1.5hD.0.3~4h