上端肝门部梗阻()
A.肝内胆管与伴行门静脉呈" * * 行管征"
B.肝内胆管呈树枝状扩张
C.胆总管扩张
D.左右肝管均可扩张
E.胆管、胰管双扩张
参考答案:D
When asked by news reporters, the film star of stage and screen ________ that he would pay a visit to Europe next week.(2012· 山东岚山一中月考)
A.identified
B.proposed
C.approved
D.confirmed
风电场主要有哪些电气设备?