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Recessed annular mooring ring with retained hinge lug in stone socket.
这个模型不需要署名。这一行写明了它的来源。
"Recessed Mooring Ring (Canal Boats and Lock Operations)", from 3DAssets.dev (https://3dassets.dev/assets/canal-boats-and-lock-operations-canal-boats-and-lock-o-93cd18e8), CC0 1.0
告诉运营地球在线 3D 的人哪里不对：这不是上传者有权分享的内容、许可写错了、文件损坏或有害，或者内容令人反感。