pre columnprecolumn前置: prepose; preposition; pre-前置柱柱前: pre-column并置柱: twin columns預(yù)置柱: pre column; precolumn對(duì)置柱塞泵: o osed-plunger pump; opposed plunger pump; opposed-plunger pump下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
