n.甲烷，沼气...

Farming ability cadre says, firedamp communicates this kind of affinity.农技干部说, 这种亲密关系都是沼气沟通的.Rural firedamp construction welcomed unprecedented development opportunity.农村沼气建设迎来了前所未有的发展机遇.The ammonia comes from firedamp f...

firedamp的音标：firedamp的英式发音音标为：['faɪədæmp]firedamp的美式发音音标为：['faɪəˌdæmp]...