Burning methane from dung
A、Ismoreefficientthanburningthedungdirectly
B、Providesmoreheatthanburningthedungdirectly
C、Allowsthedungtoalsobeusedasafertilizer
D、Ismoreefficientthanburningthedungdirectlyanditallowsthedungtoalsobeusedasafertilizer
E、Allofthesearecorrect
发布时间：2025-11-03 13:40:14
