[liu2 su4] /flow speed/rate of flow/
  [liu2 su4] /Fließgeschwindigkeit (u.E.) (S, Tech)/
  [liu2 su4] /vitesse d'écoulement/débit/
 [りゅうそく] /(n) speed of moving fluid/EntL1835080X/
Visszatérés a(z) „流速” laphoz.