energy development

methods of energy production from various sources

en-GB/ˈɛnəd͡ʒɪ dɪˈvɛləpmənt/
en-US/ˈɛnɚd͡ʒi dɪˈvɛləpmənt/

カテゴリ：

field of studyacademic disciplinebranch of sciencecivil engineering