powerpoint プレゼンテーション...2.5 2.1 2.1 gm ithfi+åfþ(geomaterial) rm (rock material)...
- Home
- Documents
- PowerPoint プレゼンテーション...2.5 2.1 2.1 Gm ithfi+åFþ(geomaterial) Rm (rock material) Sm (soil material) Cm (coarse grained material) Fm (fine grained material) Pm (highly
16
Upload: others
Post on 29-Jul-2020
5 views