essential-components是什么意思

essential-components是什么意思 Components’ essential essential essential essential essential essential 英语翻译Although C4 and CAM photosynthesis are considered major evolutionary innovations,few,if any,of their essential components are completely new .特别是of their essential components are completely new 怎么翻译 geared components components是什么意思 英语翻译An environmental comparison of repair versus replacement in vehicle maintenancea b s t r a c tIn consequence of traffic accidents car maintenance is essential.There are two maintenance options:to either repair the damaged components or re essential是什么意思 sample components checklist components什么意思 turning components是什么意思 imported-components是什么意思 components services是什么意思