cavity and core plates 凹模和凸模板
The main functional elements of the die and mold include the core and cavity, which impart the desired geometry to the incoming melt.
冲模和铸型的主要功能元件包含型芯和型腔，以便对引入的熔融液给予所要求的几何形状。
The wax positive is invested with a mold made of refractory materials and heated to melt the wax, leaving a narrow cavity Between the core and the investment.
正蜡像外面披盖一个耐火材料制成的模具，然后加热使蜡熔化，留下核心与披盖模具之间一个狭窄的空腔。
Root canal sealer combined with the core materials and dentin could seal the access between the oral cavity and periapical tissue, promoting the healing.
根管封闭剂与核心充填材料、牙本质结合，封闭口腔和根尖周通道，促进尖周组织愈合。
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