vertical velocity curve竖: vertical; upright; perpendic ...向: direction流速: velocity of flow; strength; ...曲线: curve; curved line前向流速曲线: forward velocity tracing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:竖向流速曲线，即可在微信中查询翻译
