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【简答题】
简述车削的工艺特点及应用?车细长轴的主要问题是什么?加工中常采取哪些措施?(中心架、跟刀架)
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举一反三
【单选题】当零件可能出现疲劳断裂时,应按 准则设计。 【 】
A.
强度
B.
刚度
C.
耐磨性
D.
振动稳定性
【单选题】When identifying options in an integrative negotiation, solutions are usually attained through:
A.
hard work
B.
information exchange
C.
focusing on interests rather than positions
D.
firm flexibility
E.
Solutions are attained by using all of the above.
【单选题】当零件可能出现疲劳断裂时,应按什么准则计算?
A.
强度准则
B.
刚度准则
C.
寿命准则
D.
振动稳定性准则
【单选题】当零件可能出现疲劳断裂时,应按 准则计算。
A.
强度
B.
刚度
C.
寿命
D.
振动稳定性
【单选题】当零件可能出现疲劳断裂时,应按 准则计算。
A.
刚度
B.
强度
C.
寿命
D.
振动稳定性
【简答题】A.select in B.opt in C.opt up D.select up
【单选题】When identifying options in an integrative negotiation, solutions are usually attained through: ___________.
A.
hard work
B.
information exchange
C.
focusing on interests rather than positions
D.
Solutions are attained by using all of the above.
【简答题】在定理的条件下,如果 (6.92) 贝α opt =α P ;否则α opt =α Q .
【单选题】When identifying options in an integrative negotiation, solutions are usually attained through:
A.
hard work
B.
focusing on interests rather than positions
C.
firm flexibility
D.
Solutions are attained by using all of the above.
【单选题】牙龈疾病中最常见的是( )
A.
急性龈炎
B.
龈脓肿
C.
龈乳头炎
D.
慢性单纯性龈炎
E.
牙龈增生
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