equilibrium exchange fractionation平衡: balance; equilibrium交换: exchange; swap; interchange; ...分馏: fractional distilation; frac ...作用: act on; affect分馏作用: fractional distillation; fractionation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:平衡交换分馏作用，即可在微信中查询翻译
