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【简答题】
在传热实验中用饱和水蒸汽加热空气,总传热系数 K 接近于 侧的对流传热系数,而壁温接近于 饱和水蒸汽 侧流体的 温度值 。
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【简答题】托盘 根据使用面可以分为( ) 和( ) 。
【单选题】How much do you know about the state and development of Chinese martial arts ? ( )
A.
Nothing was known until the Nanjing Decade
B.
It had little development before the Nanjing Decade.
C.
Since the 1950s , Chinese martial arts are well-developed.
D.
The main function of Central Guoshu Institute aims to compile the survey of martial arts schools.
【简答题】Martial Arts _____
【单选题】To become skilled in martial arts like karate requires extensive ______ and constant dedication.
A.
train
B.
trained
C.
training
D.
to train
【简答题】Martial arts
【单选题】Martial arts is a kind of traditional Chinese sport, ______ basic training always involves stretching and kicking. [ ]
A.
which
B.
as
C.
that
D.
where
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