【判断题】水泵的作用是把机械能转变为液体能量的机械。
【判断题】给水泵的作用是将除氧器水箱内具有一定温度的给水输送到锅炉。( )
【单选题】客户经理在品牌培育方面的主要任务不包括?()
【简答题】---- What do you _____ _______the film? ---- It ’ s very interesting.
【单选题】水泵的作用是能够使通过水泵的液体获得( )。
【单选题】What is the author’s main message in the last two paragraphs?
A.
Extravagant spending would boost economic growth.
B.
The practice of frugality is of great importance.
C.
Customers should expect discounts for luxury goods.
D.
One’s life experience would turn into lifelong habits.
【单选题】闭路循环水系统投用过程中循环水泵和补充循环水泵的作用是()。