【简答题】Shredded shrimps with Longjing Tea
【多选题】() are recognized as the finest producing regions of West Lake Longjing tea.
A.
Shi Feng(Lion Peak) (狮峰)
【单选题】The city is famous for its ' Longjing Tea ' and West Lake. Which city is it? [ ]
【简答题】只使刚性转子的()得到平衡称静平衡,此时只需在一个平衡平面中增减平衡质量;使惯性力和惯性力偶矩同时达到平衡称动平衡,此时至少要在()选定的平衡平面中增减平衡质量,方能解决转子的不平衡问题。
【判断题】使惯性力和惯性力偶矩同时达到平衡称动平衡,此时至少要在二个选定的平衡平面中增减平衡质量,方能解决转子的不平衡问题。
【单选题】When bilge water is heated in a holding tank, which one of the following statements is not accurate? .
A.
The high temperature facilitates primary gravity separation
B.
Most of the oil and organic solvents are raised to the top layer
C.
The high the temperature is, the more the top oil will be collected
D.
The high temperature has little use on the separation of emulsified oil
【单选题】Substances will expand or contract when heated or cooled, but this is not the ________ with water .
【判断题】Longjing is a kind of yellow tea. ( )
【单选题】Longjing well-know tea.
【简答题】Calculate the entropy changes for the heated water and the heating material, and the total entropy changes, when 10(kg) of water is heated from 15.6 to 65.6(°C): a. By saturated steam at 0.7 (MPa) b. ...