下列有关实验原理或操作正确的是 A用图1装置验证在该条件下铁钉�生吸氧腐蚀b用湿润的蓝色石蕊试纸检验氨气c用20ml量筒量取 Template




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Try and sketch some of theseCandy corn, Tree house, You self portrait, Meat grinder, Hair salon, Cafe, Sad girl, Tailor, Notebook, Guitar, view more ideas


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tomski下列有关实验原理或操作正确的是 a用图1装置验证在该条件下铁钉�生吸氧腐蚀b用湿润的蓝色石蕊试纸检验氨气c用20ml量筒量取 coloring