5.The mothers stoppered their babies’ mouths with pacifiers.
妈妈把橡皮奶头进了婴儿嘴里。
6.3.是丁苯等乳聚过程中非常优异终止剂。
3.Using as excellent end stopper in the procedure of emulsion gathering of butylbenzene.
7.Small cubage and large filling capacity make rubber stopper difficult to drift when washing, one another extrude and attrite, bring badly rubber scurfs and bad washing.