蒸馏烧瓶;
Experiment results indicated that the vacuum distillation by using two flask vacuum collectors can make product yield higher.
实验证明采用双瓶采集的真空间歇精馏操作能得到较高的产品收率。
distillation puts the waste engine oil handling course subsiding after eliminating precipitate inside the distillation flask inner.
蒸馏把经过沉降处理除去沉淀物后的废机油放入蒸馏烧瓶内。
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