Lower buccal and parotid-masseteric region
along coastal region border region
Arid region and semiarid region
Bachu Region of Xin jiang Autonomous Region
Electric power transmission from western region to eastern region
gas conduction from western region to eastern region
infra-black region (blacker than black region)
Anta-viruse buccal tablets
buccal adhesive tablets
脂多糖
细菌脂多糖
口腔生物黏附片
口腔黏附片
口腔粘附片
Buccal and lingual retentive grooves
buccal branches of facial artery