英语翻译 “吸盘吸住”

个人感觉用adsorption比较贴切。
吸附作用，作用于表面。
这跟你的要求很贴近。
你说呢。
不一定非要用吸盘来表示。

‘Cupule Catch up’ is a sticker for control button which can start the cupule to catch up the object put on it when pressed.

"Chuck Xi Zhu" is a control button label. Press this button to be able to start that sucker will be placed above the object in its Xi Zhu. Please help me to translate the next. As long as there it means on the list. This sucker is not industrial suction cup.