vacuum cup

基本解释

The invention discloses a removing device of a polaroid, which comprises a vacuum cup, a locating board and a control mechanism.
本发明公开一种偏光片的剥离装置，包含：一真空吸盘、一定位板及一控制机构。
ip.com
Usually, the doctor fires an alcohol sponge and puts it inside the cup for a short while to make the cup a vacuum one, then he places the vacuum cup instantly over the selected spot of the skin.
通常，医生把一个点燃的酒精棉球放在杯子里一会儿以排出里面的空气使它成为一个真空杯，接着快速地把空杯子放在选定的皮肤上。
Usually, the doctor fires an alcohol sponge and puts it inside the cup for a short while to make the cup a vacuum one, and then he places the vacuum cup instantly over the selected spot of the skin.
通常，医生把一个点燃的酒精棉球放在杯子里一会儿以排出里面的空气使它成为一个真空杯，接着快速地把空杯子放在选定的皮肤上。