- back flush unit
- 反冲: recoil; kickback; backswing; ...
- 反: reverse side
- 反冲组件: back flush unit
- 操纵和缓冲组件: steer-dampet unit
- 组件: assembler; assembly group; assembly parts; cluster unit; component entities; component; module; components; componet; discreteness; element; groupware; kit; member; modulo; modulus; nc assembly; o.e.m. parts; package; subassembly; subgroup; trim; unit
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