| • विस्फोटी खनिगैस संसूचक | |
| firedamp: विस्फोटी खनिगैस | |
| detector: अनुवेदक अभिज्ञापक | |
firedamp detector मीनिंग इन हिंदी
firedamp detector उदाहरण वाक्य
उदाहरण वाक्य
- He invented a gas regulator and a firedamp detector which were not retained by the manufacturers.