Knowledge about mechanical, electrical and electronic composition of the machine, with Gear machine Tools operation, maintenance or application experience is preferred.
具备机床机械电气及电子元器件相关知识，有齿轮加工机床操作、维修或应用相关经验。
The paper expounds the technical measures improving the operated accuracy of the roller electronic belt scale in the design, installation, debugging, maintenance and operation of it.
论述了托辊式电子皮带秤设计以及安装调试与维护使用中提高其应用准确度的一些技术措施。
Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular, operation stable and maintenance easy.
将420B型煮沸消毒器的机械定时器改为电子定时器，并加装显示电路，使其定时直观、工作稳定、便于维修。
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