题目内容

()指具有对该设备的运行状态改变、运行方式安排、继电保护及安全自动装置整定计算及状态变更、倒闸操作及事故处理的指挥权。

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适宜冲泡绿茶水温是()。

A. 80℃
B. 85℃
C. 90℃
D. 95℃

右锁骨下动脉起自()。

A. 升主动脉
B. 主动脉弓
C. 降主动脉
D. 头臂干
E. 胸主动脉

Demulsibility of a lube oil is defined as ().

A. the ability of oil to separate from water
B. the temperature at which oil flows rapidly
C. a measure of the water in a lube oil system
D. an emulsion of different grades of oil

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