A.退讓性 B.透氣性 C.可塑性 D.復(fù)用性
A.1%~2% B.6%~15% C.18%~20% D.20%~25%
A.0.77%~2.4% B.2.4%~4.0% C.4.0%~6.0% D.0.77%~4.0%