我国标准规定,浸水7天后,除自凝树脂基托的溶解值不应大于6.0μg/mm,其他类型树脂基托的溶解值不应大于多少()

A . 1.6μg/mmhttps://assets.asklib.com/images/image2/20174141170236686.gif B . 1.2μg/mmhttps://assets.asklib.com/images/image2/20174141170236686.gif C . 1.5μg/mmhttps://assets.asklib.com/images/image2/20174141170236686.gif D . 1.0μg/mmhttps://assets.asklib.com/images/image2/20174141170236686.gif E . 0.9μg/mmhttps://assets.asklib.com/images/image2/20174141170236686.gif

时间:2022-10-30 02:51:13 所属题库:口腔材料学题库

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