Whetstone
收藏官方服务：
资源简介：
Broken oblong slate whetstone, similar to a square in cross-section, edges ground down during use
提供机构：
Zenodo创建时间：
2026-03-11
社区交流群
科研交流群
商业服务
Broken oblong slate whetstone, similar to a square in cross-section, edges ground down during use