这是种剪短设计，有一个马镫形支架包裹着脚部，并延伸至肩部拉紧。
It's cut short and has stirrups that loop over the feet, creating a stretch that stresses the legs and pulls slightly at the shoulders.
支架（70）具有立柱侧，且立柱从立柱侧延伸。
The bracket (70) has a stud side with studs extending from the stud side.
支架两侧的延伸杆上分别活动连接有活动托板，活动托板连接冲积汽缸。
Extension rods at two sides of the support are respectively and movably connected with a movable supporting plate that is connected with an alluvial cylinder.
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