| • case hardening | |
| पृष्ठ: page surface face side dorsum insert surface rock | |
| दृढीकरण: consolidation hardening induration sclerotization | |
पृष्ठ दृढीकरण अंग्रेज़ी में
[ prstha drdhikaran ]
| • case hardening | |
| पृष्ठ: page surface face side dorsum insert surface rock | |
| दृढीकरण: consolidation hardening induration sclerotization | |
