患者43岁,左上牙急性牙痛,诊断为急性牙髓炎
开髓引流的目的是()
A.减小髓压,止痛
B.去除病变牙髓
C.髓腔消毒
D.去除刺激物
E.降低咬合
参考答案:A
目前集装箱运输是成组运输的最高形态。
In your project, you use product analysis to translating project objectives into tangible deliverables and requirements. All the following tools are used for product analysis EXCEPT ______ .
A.value engineering
B.value analysis
C.product breakdown
D.benefit/cost analysis