问题
判断题
对于离心压缩机，经简化分析与公式推导其流动相似应具备的条件可归结为几何相似、叶轮进口速度三角形相似、特征马赫数相等。（）
答案
参考答案：错
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对于离心压缩机，经简化分析与公式推导其流动相似应具备的条件可归结为几何相似、叶轮进口速度三角形相似、特征马赫数相等。（）
参考答案：错
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and I'll also be able to make 2 with foreign teachers. I think I'll 3 in Beijing in ten years. But as a Chinese, I hope that I can tour all places of interest in our country.I' II keep a pet dog at home in ten years, although I don' t have 4 time now. And I am sure I'll also have many good friends in ten years. Probably I'll learn judo (柔道), because that is one of my dreams. I'll look after my health, so I'll exercise more, and I'll eat 5 food every day. I will work hard from now on! |