... NC normal close 通常关 normal close valve 常闭阀 ; 常关阀 normal close contact 常闭触点 ...
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nc normal close
数控正常合闸
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The drought was found over NC, and flood along the middle and lower reaches of the Yangtze River when the EASM was close to normal.
当东亚夏季风接近正常时，华北干旱，长江中下游多雨。
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