下列实验操作或对实验事实的描述正确的是 A中和热的测定实验中可用�属丝棒代替环形搅拌玻璃棒b用湿润的ph试纸测量某溶液ph时 Template




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tomski下列实验操作或对实验事实的描述正确的是 a中和热的测定实验中可用�属丝棒代替环形搅拌玻璃棒b用湿润的ph试纸测量某溶液ph时 coloring