A term used in mining to describe the process and machine of continuous advancement of mining operations especially to excavate coal.
खनन प्रक्रिया जिसमें मशीन का उपयोग करके कोयला खदान की खुदाई की जाती है
English Usage: The new advancing long wall system has increased our coal production significantly.
Hindi Usage: नई उन्नत दीर्घ दीवार खनन प्रणाली ने हमारे कोयला उत्पादन को काफी बढ़ा दिया है.
unnata dheergh deewaar khanan, unnatt deergh deewar khanan, unnath deergh deewaar khanun, unnath dheergh diwaar khanan, unnat deergh deewaar khanan, unnat dheergh deewar khanan, unnat dheergh deewaar khan, unnat dirgh deewaar khanan, unnat dirgh deewar khan, unnat dheirgh deewar khan
