46.一般而言,去除牙本質黏著劑內溶劑(solvent)所需的時間由長至短依序為何?①water-based ② acetone-based
③ ethanol-based
(A)① > ② > ③
(B)③ > ② > ①
(C)① > ③ > ②
(D)② > ① > ③
答案:登入後查看
統計: A(180), B(190), C(1144), D(72), E(0) #2970390
統計: A(180), B(190), C(1144), D(72), E(0) #2970390
詳解 (共 3 筆)
#5572521
揮發性:丙酮(acetone)>酒精>水
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