道依茨发动机怠速运转，在停车后（等１～２分钟）须马上按照油标尺的点刻度检查机油油面。
参考答案：错
参加工程外观质量评定的人员应具有工程师以上技术职称或相应执业资格，评定组人数应不少于（）人。
A.3
B.4
C.5
D.6
Open Shortest Path First(OSPF)is a (71) routing algorithm that (72) workdone on the OSI IS-IS intradomain routing protocol．This routing，as compared todistance—vector routing，requires (73) processing power．The Dijkstra algorithm is usedto calculate (74) OSPF routing table updates only take place when necessary， (75) atregular intervals．
A．distance—vector B．1ink—state C．flow．based D．selective flooding
