抢救者用口或CPR袖珍面罩封住病人口唇，形成一个密闭气道。

Place rescuer's mouth or CPR pocket mask over client's mouth, forming an airtight seal.

youdao

抢救者用口或CPR袖珍面罩封住病人口唇，形成一个密闭气道。

Place rescuer's mouth or CPR pocket mask over client's mouth, forming an airtight seal.

youdao