bottom up倒置; 颠倒; 倒着
bottomn.底部;底端adj.底部的v.触底;打(基础)
bottom supportin drilling platform定柱沉垫式钻井平台
bottom supporting drilling platform定柱沉垫式钻井平台
bottom dumping material handing box活底料斗
bottomless concrete boxed cofferdam无封底砼套箱
Bottom Environmental Sensing System海底环境探测系统
bottom-blown converter steelmaking氧气底吹转炉炼钢
bottom-to-top syntactic analysis自下到上语法分析
bottommost life security institution最低生活保障制度
bottommounted wave recorder analyzer海底波浪自动记录分析仪
bottom-up method of designing webs自下至上Web设计法