frictionn.摩擦；摩擦力；分歧friction pump摩擦泵friction rowe摩擦力friction reel辊筒式卷纸机friction bowl摩擦转子friction gearn.摩擦轮(摩擦传动装置)friction lock摩擦闸friction costph.friction trip摩擦式安全器friction tapen.磨擦带；导体外面包的绝缘胶布friction disc摩擦盘