基本解释n.摩擦系數同根派生 frictionfactor相关词英汉例句Keywords Friction;Wear;Frictionfactor;Carbon-carbon composite; 摩擦;磨損;摩擦系數;碳/碳複郃材料;High frictionfactor decreased;Hardness has been increased by ten percent; 摩擦系數 大大下降、硬度提高10%25左右;frictionfactor更多例句