bread-away frictionbreak-away frictionfriction of motionfriction, slidingrubbing frictionsliding frictionsliding rubbingslipping friction纯滑动摩擦: simple sliding friction滑动摩擦力: force of sliding friction; sliding frictional force静滑动摩擦: ruhegleitreibung static sliding friction滑动摩擦力矩: moment of sliding friction; sliding friction torque滑动摩擦系数: coefficient of sliding friction; friction, coefficient of sliding; frictional drag coefficient下载手机词典可随时随地查词查翻译