常开

常开 [cháng kāi]

1. ■ normally open

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常用词组

1. ■ 常开触点 normally open contact;

2. ■ 常开阀 normal(ly) open valve;

3. ■ 常开控制元件 normal(ly) open control element;

4. ■ 常开启接点 normally open(ed) contact;

5. ■ 常开选通电路 normally open gate;

6. ■ 常开状态 normally open