单词	triangle norm
释义	triangle norm 三角模
随便看	central draft gear central drafting officer central drain central drainage central drainage channel Central Dravidian central dravidians central drift method central drinking-water source area central drive central drive unit central driving shaft Central Drug Research Institute central-dump combustor central dumping central dust extraction unit central dynasty centrale central earthquake central-eastern central electronic management system central electronic module central electronics unit central electronic unit central eastern europe