| • impervious layer | |
| अप्रवेश्य: closed access impervious proof impenetrable | |
| परत: tier thickness lode film couch lamina shim ply | |
अप्रवेश्य परत in English
[ apraveshya parat ] sound:
| • impervious layer | |
| अप्रवेश्य: closed access impervious proof impenetrable | |
| परत: tier thickness lode film couch lamina shim ply | |
