often open

基本解释常开

网络释义

1)often open,常开2)normal opened contact,常开接点3)normally open contact,常开触点4)abnormal start-up,异常开启5)normal split,正常开裂6)normal on,常开型

How to flexibly use the normal opened contact and normal closed concoct to bring about multifunchonal controlling are emphatically described.

重点阐述了如何灵活运用晶体管液位控制器的常开接点、常闭接点，实现多种控制功能，达到为黄金生产服务的目的。

Causal analysis of abnormal start-up of oil drivers for steam inlet valves of 600 MW supercritical steam turbines and relevant treatment;

600 MW超临界汽轮机进汽阀油动机异常开启的原因分析及处理

A carbon nanotube-based normal on under-gate field emission display panel;

一种基于纳米碳管的常开型后栅极场致发射显示板