字典網>> 英漢字典>> V開頭詞條>>vertical down-film cooler的意思 漢英字典vertical down-film cooler中文翻譯：【化】 立式降膜冷凝器; 立式降膜冷卻器相關詞條：vertical synchronizing signal vertical deflection oscillator vertical scrolling vertically polarized wave vertical-linearity control vertical tube-flash evaporator vertical seam vertical dimension vertical diameter verticality