revolve around the crossbar的意思|示意
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绕着横梁旋转
revolve around the crossbar的网络常见释义
绕横竿旋转 ... revolve around an axis 绕轴旋法; 绕轴旋转 revolve around the crossbar 绕横竿旋转 drill string revolve on its own axis 钻柱自转 ...