血液酸碱平衡的常用检测指标不包括()
A.pH值
B.动脉血二氧化碳分压
C.标准碳酸氢盐与实际碳酸氢盐
D.酸碱剩余
E.阴离子间隙
参考答案:D
Mr. White , many customers want to see you._______ they wait here or outside? [ ]
A. Will
B. Shall
C. Can
D. Would
空压站开工用的排气量()Nm3/h。
A.1.0Nm3/h
B.2.5Nm3/h
C.3.0Nm3/h
D.1.65Nm3/h