1、
Study on the Minimum Amount of Intermediate Cut and Its Pulse Control Method in Batch Distillation
分批精馏最小过渡馏分量及过渡馏分脉冲控制法的研究
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2、
the refined, powered on, the intermediate relay (5j) have electric action, ready to cut paper.
改进后，接通电源后，中间继电器（5J）得电动作，为切纸作准备。
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