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【简答题】
热力学第二定律揭示了热力过程进行的________、________和________。
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举一反三
【简答题】如图1-12所示，已知水深H=10m，截面A1=0.02m2，截面A2=0．04m2，求孔口的出流流量以及点2处的表压力。(α=1，损失不计)
【简答题】Not many people have seen the video of the woman falling into a fountain. 2. The woman fell into the water because she was so busy texting. 3.The birthday party was very quiet because there was only o...
【简答题】给问句选择恰当的答语。 ( ) 1. May I go shopping? ( ) 2. How far is it? ( ) 3. How can we go there? ( ) 4. Is an airplane faster than a train? ( ) 5. How many buses are there? A. It's six hund...
【简答题】读一读，将下列句子和图片搭配一下。 ( ) 1. Wu Yifan is washing the dishes. ( ) 2. The boy went to Beijing by air. ( ) 3. Fang Min visits her grandparents every week. ( ) 4. Wu Jun took many pictures yes...
【简答题】如图所示 , 已知水深 H = 10m ,截面 A1 = 0.02m 2 ,截面 A2 = 0.04m 2 ,试求孔口的出流流量以及 2 处的表压力。(水流为恒定流动, 不计损失)
【简答题】单选题】 1 Which country was the fountain in? A England 、 B America C The text doesn't say 2 How many people were there at the very quiet birthday party? A 2 B 5 C 6 or more 3 Where did the man ask his gi...
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