The chemist carefully poured the acid into the flask, watching it fizz and bubble.
化学家小心翼翼地将酸倒入烧,看着它冒泡沸腾。
The chemist carefully poured the acid into the flask, watching it fizz and bubble.
化学家小心翼翼地将酸倒入烧,看着它冒泡沸腾。
This paper introduces a simple semimicro-distillation apparatus,In this apparstus,a three-necked flask is used as steam generator.
本文介绍一种用三颈圆底烧蒸汽发生器的
微量水汽蒸馏
。
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