The authorities seem powerless to stem the rising tide of violence...当局似乎无力阻止愈演愈烈的暴力活动。But time and again we become so powerless when nature unleashes its destructive force.但是﹐在面对自然那毁坏害的能力时﹐我们再次看见自己是那麽地软弱.If you don'...
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(...
Thank you for coming, James. Unfortunately, I don’t think your presence will make a whit of difference to the outcome of this meeting, as I’m fairly sure our demands won’t be met.詹姆斯，谢谢你能来。但不幸的是，你的出席丝毫不能改变这次会议的结果。我确信我们的要...
用电补偿大气压和系统压力的变化.Electricity compensates for barometric pressure as well as system pressure variations.首先,利用大气压将水抬高30英尺.First of all it raised water through 30 feet by utilising the pressure of the atmosphere.曲线上的数字表示围压的大...