vertical flow竖: vertical; upright; perpendic ...向: direction竖向流速曲线: vertical velocity curve竖向: hill and dale; hill-and-dale; vertical exit; verticality竖向的: vertical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:竖向流,即可在微信中查询翻译