胃切除术后病人取半坐卧位的目的是()
A.减少局部出血
B.减轻伤口缝合处张力
C.使静脉回流血量减少
D.防止腹膜粘连
E.减轻肺部瘀血
参考答案:C
In duty calculation, in case the CIF price of imports is in terms of foreign currency, it shall be converted into ______.
A.another foreign currency quotedB.RMB at buying price quotedC.RMB at selling price quotedD.RMB at the middle price between the buying and selling prices quoted
终端厂应急关断系统的PLC控制器和所有I/O卡全部采用()设计
A、热备冗余
B、非冗余
C、50%备用
D、冷备用