以下哪种囊肿属于牙源性囊肿()
A.球上颌囊肿
B.鼻腭囊肿
C.鼻唇囊肿
D.正中囊肿
E.始基囊肿
参考答案:E
—You are wearing a blue dress.How beautiful it is!
—_____________________
A.I am glad to hear that.
B.Thank you.
C.Really?
D.Not at all.
聚合物注入速度用聚合物溶液()和油层孔隙体积计算,单位是PV/a。
A、浓度
B、粘度
C、配比
D、注入量