coalification
coalification漢語翻譯
coalification詳細解釋
coal.i.fi.ca.tion
n.(名詞)Compression and hardening over long periods of time, the processes by which coal is formed from plant materials.煤化作用:經(jīng)過長期壓縮和硬化,植物成煤的過程
coal.i.fi.ca.tion
n.(名詞)Compression and hardening over long periods of time, the processes by which coal is formed from plant materials.煤化作用:經(jīng)過長期壓縮和硬化,植物成煤的過程