Farming ability cadre says, firedamp communicates this kind of affinity.農(nóng)技干部說, 這種親密關(guān)系都是沼氣溝通的.Rural firedamp construction welcomed unprecedented development opportunity.農(nóng)村沼氣建設(shè)迎來了前所未有的發(fā)展機(jī)遇.The ammonia comes from firedamp f...