藻酸盐印模材料
Alginate impression materials
alginate impression material
irreversible hydrocolloid impression materials
模型置换印模技术
Altered cast impression technique
牙齿印模材料
Dental impression material
牙科印模材料
Dental impression materials
Dental impression material
牙科印模技术
Dental impression technique
银币压印模
Coining Die for Silver Proof Coin
印模
impression
Dental
moulage
Model
replica
impressions
moulded
fitness
Dental impression materials
impression box
impression block