frictionizev.擦
frictionn.摩擦;摩擦力;分歧
frictional wheel drive摩擦轮传动
friction-drum winder摩擦提升机
friction damped braced摩擦耗能支撑
frictional heat source摩擦热源
friction between teeth齿间摩擦
friction-disc clutch摩擦盘离合器
friction clip coupling[机] 磨擦夹联结器
frictionless air table无摩擦空气平板
frictionless simulator无摩擦模拟器
frictional shear joint摩擦剪节理