问题
多项选择题
建立故障树的应注意的问题有()
A.严格遵守循序渐进的原则
B.正确选取顶事件
C.准确写出故障事件方框中的说明
D.正确划分每个事件方框的故障类型
答案
参考答案:A, B, C, D
建立故障树的应注意的问题有()
A.严格遵守循序渐进的原则
B.正确选取顶事件
C.准确写出故障事件方框中的说明
D.正确划分每个事件方框的故障类型
参考答案:A, B, C, D
情景对话。 | |
Mary: 1______ Yang: Oh. it's you, Mary. What are you going to read today? Mary: 2______ Yang: Let me see, Ah, yes. Here you are. Mary: 3______ Yang: Sorry, I don't think so. You must read it here like others. Mary: 4______ Yang:You may come here again and read it tomorrow. Mary: 5______ Yang:You're welcome.
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