recovery device的用法和样例：
例句
- A vacuum sucks the used crystals and exfoliated skin particles back into the device, so that they can be removed and discarded.
真空晶体吸收的使用和脱落的皮肤颗粒回收装置，以使它们能够被清除和丢弃。 - In view of the status quo of small capacity and low operation level of domestic sulfur recovery units, technicals revamping options suitable for Chinese refineries were proposed.
针对我国炼油厂硫回收装置规模较小，操作水平偏低的现状，提出了适于我国国情的技术改造意见。
