The control bar, arranged on the first side wall, consists of a pivotal part, a sleeve and a shifting part, wherein the sleeve is arranged between the pivotal part and the shifting part.
控制杆，设置于第一侧壁上，控制杆包括一枢转部、一轴套以及一拨动部，且轴套设置于枢转部以及拨动部之间。
The control bar, arranged on the first side wall, consists of a pivotal part, a sleeve and a shifting part, wherein the sleeve is arranged between the pivotal part and the shifting part.
控制杆，设置于第一侧壁上，控制杆包括一枢转部、一轴套以及一拨动部，且轴套设置于枢转部以及拨动部之间。
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