hydraulic resistance
/haɪdɹˈɔːlɪk ɹɪsˈɪstəns/
n
English · hydraulic resistance中文 · 液压阻力器Español · resorte hidráulicoFrançais · résistance hydraulique
意味：Device with a hydraulic pump (silent system simulating water resistance); it constitutes the force exerted against the oars.