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【单选题】
车螺纹时,螺距不正确是( )等原因造成的。A.
车刀背前角太大,中滑板丝杠间隙太大
B.
车床丝杠和主轴有窜动
C.
车刀安装不正确,产生半角误差
D.
车刀牙型角不小确
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【简答题】二层环路会带来 __________ 重复帧、 MAC 地址表不稳定等问题。 A . 广播风暴 B. 路由震荡 C. 路由环路 D. 地址欺骗
【单选题】病人,易某,男性34岁。因外伤导致膀胱括约肌功能障碍出现尿失禁,为帮助病人重建正常的排尿功能,嘱病人每天白天摄入液体量为
A.
500~800ml
B.
800~1200ml
C.
1200~1500ml
D.
1500~2000ml
E.
2000~3000ml
【简答题】Considering this damage was due to the rough handling by the steamship company, we claimed on them for recovery of the loss; but an investigation made by the surveyor has revealed the fact that the da...
【简答题】翻译下面的一段商务英语信函,注意使用正确规范的语言。 Considering this damage was due to the rough handling by the steamship company, we claimed on them for recovery of the loss; but an investigation made by the surveyor has re...
【简答题】以下为商务信函的摘录,请翻译。 Considering this damage was due to the rough handling by the steamship company, we claimed on them for recovery of the loss; but an investigation made by the surveyor has revealed the ...
【简答题】实现分时系统的关键问题是( 1 ),为此必须引入( 2 )的概念,并采用( 3 )调度算法。
【多选题】在以太网中,二层网络的环路会带来广播风暴,MAC地址表震荡,重复数据帧等问题,为解决交换网络中的环路问题,提出了STP, STP的主要作用有( )。
A.
消除环路
B.
链路备份
C.
增加路由表项
D.
减少MAC地址表项
【单选题】Damage by（）shall not be considered as handling damage.
A.
exposure to inclement weather conditions
B.
carelessness
C.
the use of improper gear
D.
moisture caused by condensation
【单选题】病人,易某,男性34岁。因外伤导致膀胱括约肌功能障碍出现尿失禁,为帮助病人重建正常的排尿功能,嘱病人每天白天摄入液体量为(E)
A.
500~800ml
B.
800~1200ml
C.
1200~1500ml
D.
1500~2000ml
E.
2000~3000ml
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