A.層流流型越好 B.層流流型越差 C.層流流型與n值無關(guān) D.塑性黏度越高
A.10mPa•s B.9mPa•s C.8mPa•s D.7mPa•s
A.20%~30% B.5%~10% C.10%~30% D.5%~15%