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【单选题】
下列不能提高对流传热膜系数的是( )。[1分]A.
利用多结构；
B.
增大管径；
C.
在壳程内装折流挡板；
D.
冷凝时在管壁上开一些纵槽。
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【简答题】Complete the passage with suitable words from the word bank. You may not use any of the words more than once. A. complete B. gain C. investments D. wisely E. haunted F. l...
【简答题】使用Keil C51和Proteus软件设计制作8个LED灯同时闪烁的单片机控制系统。
【单选题】Fayol was the great managerialist of classical approach, he was considered as the Father of ( ).
A.
Industrial Management
B.
Scientific Management
C.
General Management
D.
Business Administration
【简答题】使用Keil C51和Proteus软件设计制作8个LED灯中,奇数个灯和偶数个灯交替闪烁的单片机控制系统。
【简答题】4 He was considered in the supermarket when he was doingshopping yesterdayA. being badly treated B. treating badly C. to be treated badly D. to have been badly treated
【简答题】__________ 尺寸是允许尺寸变动的两个界限尺寸。
【单选题】He was considered in the supermarket when he was doing shopping yesterday
A.
being badly treated
B.
treating badly
C.
to be treated badly
D.
to have been badly treated
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