【单选题】In an emergency situation, for example in the event of damage to a fresh water cooler or generator, the sea water pump can be used to supply_____to the fresh water cooling system, merely by removing t...
【简答题】完形填空。 Most people do different things when they get l . This is certainly true for me. When I was in high school and college, my friends and I 2 _ to play a lot of sports. I played basketball and socc...