This not only abbreviates catalytic cracking equipment, but also enhances the economical effects of refineries plant.这样不仅缓和了催化装置的操作, 而且可为炼油厂开发出新产品,创造经济效益.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was s...
The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.The air guards the catalytic converter from overload and possible resulting damage.空气防止了催化式排气净化器的过载及可能产生的损坏.It is known as catal...
The film opened to healthy box office receipts before rapidly falling off...这部影片的票房收入开始的时候持续上涨，但是后来急剧下降。Chaplin was not just a genius, he was among the most influential figures in film history.卓别林不仅仅是天才，也是电影史上最有影响力的人物之一。...