flow direction vane流向: flow direction标: Rockwell A scale流向: flow direction◇流向测量器 flow direction probe; 流向角 [水文] angle of current; 流向图 flow graph; flow diagram; 流向线 flow line方向标,转向标: direction indicator方向,流向: direction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:流向标,即可在微信中查询翻译