单项选择题NaOH标准溶液中吸收了二氧化碳会导致测量结果产生随机误差。 A、正确 B、错误
多项选择题The annual vernal Equinox season began to harvest Meng Ding yellow tea, choose a fat bud and a leaf at the beginning of the exhibition, through （ ） and other eight processes.A.FixationB.PackageC.refray D.fire
