| • trench system | |
| खाई: ditch delf mine dyke dike riffle entrenchment | |
| व्यवस्था: act discipline management plan set-up system | |
खाई व्यवस्था अंग्रेज़ी में
[ khai vyavastha ]
| • trench system | |
| खाई: ditch delf mine dyke dike riffle entrenchment | |
| व्यवस्था: act discipline management plan set-up system | |
