肠系膜上动脉栓塞的诊断特点是严重的体征和轻微的症状不对称。
参考答案:错
下列属于准公共需要的是()
A.国防
B.环保
C.医疗
D.防疫
A load line of a ship is assigned by the().
A.minerals management service
B.Department of energy
C.corps of engineers
D.a recognized classification socitey approved