动设备包机要求落实包机对象、包机人员、()、检查考核细则,对操作维护、检修、管理都要提出明确要求。
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A vessel has sustained damage in a collision with another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate?()
American Consul
B. Classification Society
Captain of the Port
D. Officer in Charge,Marine Inspectio
心尖搏动增强,见于()。
A. 心肌病
B. 严重贫血
C. 左心功能不全
D. 心包积液
女性,30岁,突然呕血、黑便,阴道出血及全身紫癜,伴发热及贫血。血液检查HB70g/LRBC2.3×1012/L,WBC25×109/L,PLT18×109/L。此病人首选检查是()。
A. 骨髓涂片检查
B. 染色体检查
C. Ham试验
D. Coombs试验
E. 毛细血管脆性试验