介绍了以甲醇钠甲醇溶液与氯仿为原料，采用共沸蒸馏法制备原甲酸三甲酯的改进工艺。
An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author.
通过比较，发现三氯乙烯的综合性能略优于氯仿。
It is found that the comprehensive properties of trichloroethylene are slightly better than that of chloroform.
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