surface durability短语¹⁴⁴⁹⁷²⁺² 基本例句 表面耐久性 The definition formulas and new calculation formulas for transverse load factors of tooth strength and surface durability are proposed. 分别提出了弯曲与接触强度端面载荷系数的定义式和新的计算式。 cnki Sensor surface durability processing, long lifespan; 指纹传感器耐摩擦、长寿命； www.beyondlsi.net.cn