英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

annunciator    
n. 通告者,电铃指示装置

通告者,电铃指示装置

annunciator
信号器 ANN

annunciator
告示器 信号器

annunciator
n 1: an indicator that announces which electrical circuit has
been active (as on a telephone switchboard)


请选择你想看的字典辞典：
单词字典翻译
annunciator查看　annunciator　在百度字典中的解释百度英翻中〔查看〕
annunciator查看　annunciator　在Google字典中的解释Google英翻中〔查看〕
annunciator查看　annunciator　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • What is an annunciator ? | Instrumentation and Control Engineering
    The annunciator system consists of multiple alarm points Each alarm circuit includes a problematic contact (alarm switch), a logic module and a visual indicator The individual alarm points are operated from a common power source and share a number of annunciator system components, including an audible signal generator (horn), a flashing light
  • Instrument Abbreviations used in P ID Diagrams - AutomationForum
    Based on Institute of Instrumentation and Control, a piping and instrumentation diagram (P ID)is defined by the diagram which shows the interconnection of process equipment and the instrumentation used to control the process
  • What is Partial Valve Stroke Testing? - AutomationForum
    Introduction Partial Valve Stroke Testing or PVST, is an emerging concept to automatically increase the performance of Safety Instrumented Systems PVST is a concept where safety-related valves like ESD valves and shut-off valves are automatically tested concerning failure modes that are related to valve sticking and slowing down operation Current trends in the industry show […]
  • Getting Started with PLC Hardware and Software - AutomationForum
    1 PLC Programming – learning PLC programming uses software to design and implement control systems It controls sensors, machinery, and industrial processes
  • Instrument Abbreviations used in P ID Diagrams - AutomationForum
    It is an annunciator device to alert an operator This may be a sound or lighting device This alarm is triggered by a current signal of 4 20 mA coming from a transmitter 3 High and Low Alarms: The letters H and L indicate the level of High or Low But during some undefined conditions, these may be omitted
  • Level Measurement Archives | Instrumentation and Control Engineering
    Troubleshooting, advantages, disadvantages and application of the bubbler type level measurement system
  • Basics of Fire Detection System - AutomationForum
    Annunciator Panel: Remote Annunciator: A secondary control panel or display that provides information about the status of the fire detection system It may be located at a different part of the building Communication Modules: Enable the system to automatically notify emergency services or a monitoring centre when a fire is detected
  • Process switches and alarms | Instrumentation and Control Engineering
    Process alarm switches may be used to trigger a special type of indicator device known as an annunciator An annunciator is an array of indicator lights and associated circuitry designed to secure a human operator’s attention1 by blinking and sounding an audible buzzer when a process switch actuates into an abnormal state
  • What is Fire Alarm control panel? What is Sub Fire . . . - AutomationForum
    Fire alarm signals must be carried out through manual call points and heat smoke detectors The next action is to ring the buzzer on the Annunciator MCP-FA Related LED indicators on Fire Mimic Panel must be on and the location of the zone from the location of the equipment that occurred





中文字典-英文字典  2005-2009