When making the air reading in the burette, the levelbottle should be raised so as to bring the liquid in the burette and levelbottle to the same level.
当得到滴管中的气体读数,水平瓶应该升高,使滴管中的液体和水平瓶中的液体在相同的水平。
2
On a practical level for those running the restaurant and customers, the system automatically updates the availability or stock as and when a bottle is taken out of the cellar.