常闭怎么读
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翻译解释
- 常闭的英语：normal close ◇常闭触点 normally closed contact; 常闭阀 normally closed valve; 常闭控制元件 normally closed control element; 常闭选通电路 normal closed gate; 常闭状态 normally off
- 常闭的法语：normalement fermé
