vorwellen pre-wave前置: prepose; preposition; pre-波: wave疊置波痕: compound ripple mark; superimposed ripple; superposed ripple mark后置波蘭表示法: reverse polish notation前置泵: booster pump; fore pump; front-mounted pump; prepump; roughing pump下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
