Main processes, such as Alkylene, AlkyClean, Lurgi and FBA processes were described. 对Aklylene工艺 、 AlkyClean工艺 、 Lurgi工艺和FBA工艺等目前世界上的主要烷基化工艺以及国内工艺作了描述.
爸爸用除锈剂帮我清除自行车上的锈斑.Father helped me remove the rust on the bicycle with the de - ruster.粉末状碱中和剂, 也可用作脱氯剂和除锈剂.Alkali neutralizer powder, but also can be used as dechlorination agents and Rust Remover.这些除锈剂必须等几分钟才能生效.You ha...
Leftover food and unwashed dishes cover the dirty counters.台面上又脏又乱，尽是残羹剩菜和未洗的盘子。His young opponent counters with his left hand.他的年轻对手用左手反击.Except for the sharp clicking of Chueh - hsin's abacus counters, all was sti...