在多效蒸发流程中,( )加料流程所产生的二次蒸汽较多。
A.)逆流
参考答案:A
The players _____ from the whole country are expected to bring us honor in this summer game. [ ]
A. selecting
B. to select
C. selected
D. having selected
休克病人血容量基本补足且血压回升,尿量仍少于20ml/h,比重低,应考虑()。
A.心功能不全
B.肺功能不全
C.肾衰竭
D.血容量不足
E.血管升压素分泌过多