废气涡轮增压器是利用柴油机排出的废气作为能源来驱动增压器运转。
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柴油发动机不能发动的原因之一是输油泵供油不足，（）联轴器螺丝松旷或键槽损坏。
Which three are valid methods to monitor and trend SAN port channels with DCNM？（）
A. use summary view in the device manager
B. from the DCNM-SAN client， view ISLs in real time from the Performance drop-down list
C. for each port channel， select Monitor Continually
D. configure traps for each port channel to utilize RMON
E. set up flows with the DCNM-SAN client and use the Performance Manager web client for performance collectio
拱顶罐通蒸汽吹扫时，其吹扫时间应在（）以上，并经化验分析合格后方可入罐清扫。
A. 16h
B. 24h
C. 36h
D. 40h
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