dry state短语¹³¹⁶²⁰⁺³ 基本例句 美史实行禁酒法的州 Objective: To study the frictional resistance of self-made esthetic coated archwire simulating clinical tooth movement in the dry state and compare it with traditional stainless steel archwire. 目的：对自制美学涂层弓丝的摩擦力进行测试，并与普通不锈钢弓丝比较。 dictall