问题
单项选择题
负压原油稳定装置真空罐抽油后,不管是什么原因引起的,还是采取何种方法处理,都需要()。
A.用轻烃排放真空泵将原油排净
B.补足系统天然气
C.将稳定塔油压出界区
D.手动摇开液位控制阀
答案
参考答案:A
负压原油稳定装置真空罐抽油后,不管是什么原因引起的,还是采取何种方法处理,都需要()。
A.用轻烃排放真空泵将原油排净
B.补足系统天然气
C.将稳定塔油压出界区
D.手动摇开液位控制阀
参考答案:A
A.www.HIExpress. Com/HongKong B.www.agoda.com/Hong-Kong-hotels C.Four Seasons.com/hongkong D.Booking.com/hotels-hong-kong 57.At a discounted hotel, how much can you save for a room for HK$200per night? A.HK$150 B.HK$100 C.HK$50 D.HK$75 58.From the ads above we know that A.Hong Kong Hotels guarantee low rates and free computers B.guests can give reviews on the hotel they have lived in C.booking a hotel online is quite a special offer D.experience in Hong Kong is an expensive night |