短语词组短语brush -rocker gzar 移刷机构brush h rocker ring 电刷摇杆转环brush h rocker 电刷摇杆;电刷摇环BRUSH HOLDER ROCKER 刷架brush rocker ring 电刷摇杆转环;电刷摇移环brush rocker gear 电刷摇移装置 返回 brush rocker