氢氧化钙水门汀中水杨酸酯的主要作用是__________。
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磷酸锌水门汀使用时调和速度过快,将使固化后材料强度_________。
Rate the following cements in terms of compressive strength from highest to lowest()
A. zinc oxide-eugenol,zinc phosphate,resin
B. zinc phosphate,resin,zinc oxide-eugenol
C. resin,zinc phosphate,zinc oxide-eugenol
D. All of the above