题目内容

重油燃油系统应安装油流量计、压力计、温度计及自动控制装置。

A. 正确
B. 错误

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更多问题

A TCP/IP application receives files from a remote machine. The application reads 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size. Which of the following procedures should be performed on the personal machine to increase the throughput of the application？（）

A. Increase the size of thewall
B. Increase the size of sb_max
C. Increase the size of tcp_recvspace
D. Increase the size of tcp_sendspace

患者，女，28岁。产后心情抑郁，心神不安，恶梦纷纭，惊恐易醒，恶露量多，色紫暗有块，胸闷纳呆，善太息，舌淡，苔薄白，脉弦。其诊断为（）

A. 产后血劳
B. 产后抑郁
C. 产后恶露不绝
D. 产后郁冒
E. 以上都不是

转继承

低压配电电压为（）。

A. 220V
B. 380V
C. 380/220V
D. 0.5kV