force of frictionfriction forcefrictional forcefrictional lossvirtue of friction磨擦: rub; abrade; abrase磨擦,磨擦力: friction被动磨擦力: passive frictional force表面磨擦力: surface friction降低磨擦力: reibkraftabbau friction load reduction下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:磨擦力,即可在微信中查询翻译