vacuum m flask refill热水瓶胆
vacuum jacketed flask杜瓦瓶;真空套瓶
vacuum distilling flask真空蒸馏瓶
Vacuum Food Flask饭盒
vacuum m flask真空瓶;真空烧瓶;保温瓶
Vacuum vacuum flask真空保温杯
Vacuum-flask保温瓶
Stainless steel vacuum flask不锈钢真空杯;不锈钢保温瓶;掀盖不锈钢
vacuum flask distillation真空一次挥发蒸馏;真空快速蒸馏
N-COUNT(可数名词) A vacuum flask is a container that is used to keep hot drinks hot or cold drinks cold. It has two silvery glass walls with a vacuum between them. 保温瓶 [美国英语]