friction roll的相關(guān)資料：
臨近單詞
friction cap
friction
Friction drive rollers diameter mm
friction torque testing instrument
friction reduction and anti-wear
Friction coefficient of brake shoe
Friction lighters for igniting gas
friction energy-dissipation brace
friction loss in transition section
friction and attrition test machine
friction reduction by micro-bubble
frictional contact temperature field
