正确答案: B
负值信号
题目:装有双脉冲电子调速器的柴油机,当负荷降低、转速升高时,则控制单元输出( )。
解析:B
查看原题 点击获取本科目所有试题
举一反三的答案和解析:
[单选题]Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means _____.
a pressure
[单选题]《油类记录簿》有统一规定的格式,下列的作业中不需要记入机舱《油类记录簿》的作业项目是()
压载舱的压载或清洗
[单选题]消化性溃疡并发出血时可出现______。
柏油样便
[单选题]The chief foreman asked the stevedores not to forget to use separation nets to avoid________ different lots of cargo
mixing up
[单选题]帆船在航道里从机动船左舷追越并需要机动船采取行动时,帆船应是:
让路船,追越前应鸣放二长二短声