| • back pressure valve | |
| पश्च: retral | |
| पश्च दाब: back pressure | |
| दाब: pressure stress weight pressing druck impression | |
| वाल्व: stopcock valve finger hole | |
पश्च दाब वाल्व अंग्रेज़ी में
[ pashca dab valva ]
| • back pressure valve | |
| पश्च: retral | |
| पश्च दाब: back pressure | |
| दाब: pressure stress weight pressing druck impression | |
| वाल्व: stopcock valve finger hole | |
