分析了滚桥技术的动作结构，通过杠杆原理和稳定角原理对跪撑进行分析。
This essay analyzes movement structure of rolling bridge and studies ground techniques through level principle and stable angle principle.
分析了滚桥技术的动作结构，通过杠杆原理和稳定角原理对跪撑进行分析。
This essay analyzes movement structure of rolling bridge and studies ground techniques through level principle and stable angle principle.
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