哪个传感器用于ECAM的压力指示()
A.PT;
B.PR;
C.CT。
参考答案:A
恶性程度最高的乳癌类型是()。
A.浸润性导管癌
B.浸润性小叶癌
C.湿疹样癌
D.炎性乳癌
E.髓样癌
My sister has worked as an engineer since she_____________back from the
United States. [ ]
A. came
B. had come
C. comes
D. has come