请译作:
At the same time,in order to avoid three buildings appearing the same room number,causes the customer to have the nonessential trouble,each building from arranges the room number from July 17,2008 to July 18 also to carry on the conditioning,at the appointed time will use A,B,the C prefix to represent the different building the room,like A place 301 room will change the A301 room,B place 301 room changes B301,C place 301 room changes C301.