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【简答题】
32Mr. Taylor believed that the finding of their study would soon Abe criticized by psychology students. Bbe confirmed by psychological studies. Cbe included in undergraduate psychology texts Dbecome the most popular psychology text
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【简答题】某液压系统，泵的排量V＝10ml/r，电机转速n＝1200rpm，泵的输出压力p=3Mpa 泵容积效率η v ＝0.92，总效率η＝0.84，求：
【单选题】Le Tour 66 est de sens
A.
de la durée sa carrière
B.
de son âge
C.
de l＇âge de sa femme
D.
de son chiffre préféré
【简答题】某液压泵的输出压力p=10MPa,泵转速n=1450r/min,排量V=50mL/r,容积效率ηv=0.95,总效率η=0.9。求液压泵的输出功率和驱动液压泵的电动机功率。
【简答题】根据句意和首字母提示，补全各小题单词。 1. — Try some more rice, please. — No, thanks. I'm f_____. 2. Have you ever c_____ buying a new MP4 player? It is good for you to listen to English as well as music. 3. The footbal...
【简答题】液压泵单位时间内排出油液的体积称为泵的流量。泵在额定转速和额定压力下的 某液压泵的输出压力 p=10MPa ,泵转速 n=1450r/min ,排量 V=46.2mL/r ,容积效率 η pv =0.95 ,总效率 η p =0.9 。试求液压泵的输出功率和驱动泵的电动机功率。
【简答题】读下面一段短文，用括号内的所给单词的适当形式填空，并将正确答案填入短文后的横线上。 A young man works hard at his lessons. He is very busy 1______ (study). He doesn't have tune 2______ (rest). After some time , he falls ill. Every night, when...
【单选题】The owner of the house moved to west Beijing last month, which is ________ he decides to sell this house.
A.
why
B.
when
C.
where
D.
how
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