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酸蚀应用的最合适的磷酸浓度是
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酸蚀应用的最合适的磷酸浓度是
A、10%~20%
B、20%~30%
C、30%~40%
D、40%~50%
E、85%
时间:2021-09-01 19:31
关键词:
文才
遵义医科大学
预防口腔医学
答案解析
C
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