盐酸异丙肾上腺素、丙二醇、乙醇、氟利昂的处方属于()。
A.吸入粉雾剂
B.混悬型气雾剂
C.溶液型气雾剂
D.乳剂型气雾剂
E.喷雾剂
参考答案:C
解析:
气雾剂的组成
The method of analyzing the sequence of activities with the least amount of scheduling flexibility to control the schedule is called______.
A) flowchart B) critical path C) work breakdown structure D) precedence diagramming
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