fractionating column分馏: fractional distilation; frac ...管: pipe; tube分馏柱: still; dephlegmator; fractio ...分馏塔;分馏柱: fractional column分馏柱,分馏塔: fdt; fractional distillating tube下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:分馏塔;分馏管;分馏柱,即可在微信中查询翻译