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Objective: to study the influence of background color to 3 all-ceramics system core material.
目的：探讨不同桩核材料背景色对3种全瓷底层材料的颜色影响。
youdao
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Objective: to study the influence of background color to 3 all-ceramics system core material.
目的：探讨不同桩核材料背景色对3种全瓷底层材料的颜色影响。
youdao