• 1. Normally open: 常开 | 正常断开的 | 通常是打开的 | 常开型
• 2. Normally open type: 常开式 | 常启式
• 3. normally open contact: 常开触点 | 常开接点 | 动合触点 | 通常打开的联系人

更多释义

• 1.Control type: normally closed, normally open, double acting.
  控制形式：标准常闭、常开、双作用。
  dict.yoduao.com
• 2.Usually divided into normally open, normally closed and self-holding three.
  通常分为常开型，常闭型和自保持式三种。
  dict.yoduao.com
• 3.All of these are normally closed valves, except for reducing valves, which are normally open.
  所有这些都是正常关闭阀，除减少阀门，一般开。
  dict.yoduao.com

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