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Recessed drain frame with fifteen steel bars and dark trough beneath the openings.
这个模型不需要署名。这一行写明了它的来源。
"Drain Grate (Textile Weaving and Dye Workshop)", from 3DAssets.dev (https://3dassets.dev/assets/textile-weaving-and-dye-workshop-drain-grate-186c04df), 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。
