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汽包内汽水分离装置和蒸汽清洗装置的主要作用各是什么？

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铁路货车临修全面检查时，开锁试验要求：16型、17型车钩全开位钩舌鼻部与钩腕的内侧距离不小于（）。

A. 219mm
B. 245mm
C. 248mm
D. 250mm

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升降人员或升降人员和物料用的钢丝绳，在一个捻距内断丝断面积与钢丝绳面积之比达到（）时必须更换。

A. 5％
B. 10％
C. 15％

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一、二级浮选配风压力相同。

A. 正确
B. 错误

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Use the same scenario as the previous question, w ith one changE.Instead of the distribute-list prefix question in command configured on R1,R1's OSPF process has an area 1 filter-list prefix question in commandconfigured. Again assuming that the subnets listed in the answers actually exist in area 0. Which of the following occurs on router R1?（） R1#sh ip prefix - list ip prefix - list question: 4 entries seq 5 deny 10.1.2.0/24 ge 25 le 27 seq 15 deny 10.2.0.0/16 ge 30 le 30 seq 20 permit 0.0.0.0/0 le 32

A. R1 will not create/flood a type 3 LSA for su bnet 10.1.2.0/26 into area 1
B. R1 will not create/flood a Type 3 LSA for subnet 10.1.2.0/24 into area 1
C. R1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablE
D. R1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE

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