当脱硫剂累计饱和硫容达20%时,可用于生产硫酸.It was useful forH 2 SO 4 production when the accumulative saturationS capacity reached 20 %.目前使用氧化钙复合的镁基脱硫剂较为合理.It is rational to use complex desulphurization agent for pretreating hot metal.用途: ...
Touch-tone telephones have been marketed in America since 1963.按键式电话从1963年起就开始在美国销售。It will be marketed as a tonic for the elderly.这将作为老年人滋补品在市场上销售。...if you marketed our music the way you market pop music...要是你用了推广流行音乐的...
他们只是大概知道可用水的总量。They have only a vague idea of the amount of water available.布赖恩用水冲了把脸，然后刷牙。Brian splashed water on his face, then brushed his teeth.从汽油耗尽到用水紧缺，所有可能发生的事情都考虑到了。Every eventuality is covered, from running out...
The indiscriminate use of fertilisers is damaging to the environment.乱用化肥会破坏环境。Modern fertilisers should be used judiciously.使用现代化肥应该非常谨慎。Farmers are reducing their use of chemical fertilisers to improve pollution levels...