3 A: Hey Joe, how are you doing? B: I’m always ___________. A: Why? What happened? B: I ___________ with my job. It seems to be very difficult for me. A: Never mind. You will ___________ if you ___________. B: Maybe you are right.
【单选题】For the oil purifier, the water content of the oil is continuously ____ and when a pre-set maximum level is reached a total discharge function is automatically actuated.
【简答题】Passage 2 The fuel oil system can supply and inject fuel into the cylinder for combustion. We can use the fuel oil transfer pump to draw the heavy oil from the double bottom tank into the settling tan...