26.下列何者非為熱塑性塑膠管材料?
(A)玻璃纖維
(B)聚乙烯
(C)聚丙烯
(D)聚氯乙烯

答案:登入後查看
統計: A(1124), B(18), C(8), D(24), E(0) #1969293