As the paper towel is added at the opening of the bag body, a user can spit into the sputumbag without having to look for another paper towel to clean the lip or mouth corner;
由于在袋体开口处加装了纸巾， 人们在吐痰后无需另找纸巾擦拭嘴唇或嘴角；
2
Objective To recognize the cl in i cal application effects of disposable sputum suction bag.