an introduction to distillation
... The Versatile Lead Pencil(万能的铅笔) An Introduction to Distillation(蒸馏概述) Why to Mark a Book(怎样在书上做标记) ...
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an introduction to distillation
蒸馏介绍
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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An Introduction to a closed water-saving equipment by recycle water, it may resolve the problem of water waste resulted from distillation, circumfluence, negative-pressure filtration, etc.
介绍了一种可解决化学实验室因蒸馏、回馏、减压抽滤等基本操作引起的，大量冷却水流失问题的封闭式循环节水装置。
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