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
,
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
,
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
作为蒸汽发
器的
微量水汽蒸馏装置。
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