普通的蒸汽疏水阀不能把闪蒸汽和新鲜蒸汽分开，会关闭阀嘴，从而阻碍了排水过程。
Since ordinary steam traps are unable to distinguish flash steam from live steam, they close and impeded drainage.
现在薄荷油是100%纯和蒸汽从新鲜薄荷叶蒸馏。
NOW peppermint Oil is 100% pure, and steam distilled from fresh peppermint leaves.
它出奇的洁净，燃烧时排放出基本上是新鲜的蒸汽。
It is wondrously clean, emitting mainly pristine steam when burned.
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