【填空题】
边界层分为_____,_____,_____
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答案
层流内层|过度层|湍流主体
解析
暂无解析
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任意一组不对称的三相相量都可以分解为正序、负序和零序三组对称的三相相量
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配电变压器,对于高压绝缘,应选用1000V的兆欧表进行绝缘电阻的测量
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