【单选题】在某一传热过程中,热流给定,若传热系数增加1倍,冷热流体间的温差将是原来的多少倍?
【单选题】在某一传热过程中,热流给定,若传热系数增加1倍,冷热流体间的温差将是原来的多少倍?( )
【简答题】The Bernoulli’s equation for a total flow can be expressed as .
【单选题】哪个不是이라고/라고 하다 的用法。
C.
양리는 "내일 비가 옵니다 "라고 했습니다.
【单选题】It's always difficult being in a foreign country, _______ if you don't speak the language. [ ]
【单选题】在某一传热过程中,热流给定,若传热系数增加1倍,冷热流体间的温差将是原来的( ) 。
【单选题】The passage mainly tells us about ______.
A.
the brief history of women's fight for the equality with men
B.
the brief review on the problems about women's inequality in society
C.
the role of women in society
D.
the way to solve the problem of women's inequality in society
【单选题】Bernoulli’s equation can be derived from the conservation of ()
【单选题】The total head of bernoulli's equation includes:
A.
elevation head, pressure head, velocity head
B.
elevation head, piezometer head, velocity head
C.
horizontal datum line, elevation head, velocity head
D.
horizontal datum line, pressure head, velocity head