英语词汇“sight extension”的翻译、意思、用法、释义-英汉汉英词典

单词	sight extension
释义	sight extension 【军械】瞄准具升降器以上来源于：《21世纪大英汉词典》
随便看	line crossover structure line cross-- strain cross line cross--strain cross line cross; strain cross line current line current sensor line current sensor transducer line current tester line cut linecut -lined lined line(-)dance line dancing line data line data file line data set line, datum lined bag lined butterfly fish lined cloth lined clothes lined ctenopoma lined dart fish lined dress