单词	還有呢的書
释义	同EXTANT
随便看	main ballast flood valve main ballast system main ballast tank main band main bangs main bang suppression main bang suppression--mbs main bang suppression，mbs main barrier ra. main base main battery main battery circuit main battery powered machine main battle tank main battle tank (mbt) main (beam) main beam mainbeam main beam headlight main-beam headlight main-beam headlight, high-beam headlight* main (beam) lobe main beam of a house main bearing main bearing cap