Terms for subject Oil / petroleum containing frictional

English	Chinese
frictional behavior	摩擦特性
frictional cathead	摩擦猫头
frictional drag	摩擦牵引力
frictional ignition	摩擦引燃
frictional mechanical strength	摩擦机械强度
frictional power loss	摩擦功率损耗
frictional pressure drop	摩擦压降
frictional resistance	摩阻
frictional restriction	摩擦限制
frictional sparking	摩擦起火
frictional testing machine	摩擦试验机
pneumatic tyre type frictional clutch	气胎摩擦离合器
skin-frictional resistance	表面摩擦阻力