The depressor septi muscle action profile views are also important for studying the range of movement of the upper lip .
鼻中隔降肌侧位视图对研究上唇的活动范围也很重要。
The consignor , when consigning dangerous chemicals , failing to explain the names , quantities , harms , emergency measures and other information to the carrier , or failing to add the needed depressor or stabilizer when delivering the chemicals for transportation .