| 释义 |
reflux condenser短语¹⁴⁴⁹⁷²⁺²
基本英英例句
回龄凝器
Noun:
condenser such that vapor over a boiling liquid is condensed and flows back into the vessel to prevent its contents from boiling dry Add100 ml of hexane R and boil under a reflux condenser for4 h, stirring constantly.
加入100毫升己烷试剂，在持续搅拌情况下，煮沸回流4小时。 chinagmp |