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: ...
他总结了自己的哲学，还提及了加尔文。He summed up his philosophy, with reference to Calvin.表格3.1是对以上信息的总结。Table 3.1 summarizes the information given above.我们的记者克里斯·卢斯莫尔总结了这些发现。Our reporter Chris Loosemore sums up the findings....
盒子里的烟火有两个是点不着的废品。Two of the fireworks in the box were duds.带着期盼的神情等待烟火表演的孩子们children with expectant faces waiting for the fireworks to begin放几个烟火to let off a few fireworks...