加强翼肋
参考答案:
在有集中载荷的地方对普通翼肋加强就获得加强翼肋,除普通翼肋作用外,承受集中力。
女,50岁,上腹不适。结合超声声像图,诊断为()
A.肝血管瘤
B.肝癌
C.炎性假瘤
D.肝脓肿
E.肝囊肿
Cyclones that have warm sectors usually move().
A.westerly
B.parallel to the isobars in the warm sector
C.toward the nearest high pressure area
D.faster than the accompanying cold front