Ilizarov外固定器
Ilizarov external fixator
RF内固定器
RF pedicle screw spinal system
变速器固定支架
gear box mounting bracket
铲斗控制器固定组件
bucket control mounting group
次级滤清器固定螺栓
secondary filter retaining bolt
粗滤器固定螺栓
primary filter retaining bolt
单体式喷油器夹持器固定螺栓
unit injector clamp retaining bolt
调节器固定托架
regulator mounting bracket