题目内容

翻译 Owing to the remarkable development in mass communications, people everywhere are feeling new wants and are being exposed to new customs and ideas, while governments are often forced to introduce still further innovations for the reasons given above.

查看答案
更多问题

RT型温度继电器不调幅差螺帽,只调主弹簧张力,将改变______。

A. 温度上限
B. 温度下限
C. 温度上限和温度下限
D. 温度上限或温度下限

翻译 in the early industrialized countries of Europe the process of industrialization—with all the far reaching changes in social patterns that followed—was spread over nearly a century, whereas nowadays a developing nation may undergo the same process in a decade or so.

在PLC控制的自动锅炉燃烧控制系统中,进行故障判断前首先要熟悉的内容包括______。

A. 控PLC制造厂家和编程语言
B. 功能和操纵方法,熟悉操作开关的用途
C. 数据存储器容量
D. 程序存储器容量

空调装置冬季采用双脉冲温度调节器的两个感温元件分别感受______的温度。

A. 新风和回风
B. 新风和送风
C. 新风和舱室
D. 回风和舱室

答案查题题库