The pollution of nitric oxide and the method of denitration were introduced.介绍了氮氧化物排放污染的危害以及氮氧化物控制的方法.The bed temperature measurement is crucial for CFB boiler as a result of desulphurization and denitration.床温测量对于循环流化床(...
It was , in retrospect, the happiest day of her life.回想起来, 那是她一生最幸福的日子.It was a very strange feeling in retrospect — I was frightened, but excited at the same time.回想起来那是一种非常奇怪的感觉——我当时既害怕又兴奋。But in retrospect, Mr Chirac ...