接下来他打开真空装置，将混合了青草香味的苹果汁倒了出来。
Then he releases the vacuum,forcing the hay-flavoured apple juice back in.
并用不锈钢装置对混合脂肪醇进行连续真空精馏提纯，产品纯度可达95％以上。
Samples of mixed aliphatic alcohols were continuously purified by vacuum distillation using a stainless steel installation; the purity of the product was above 95%.
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