hydraulic /hai'drahk; hai'drolik/ adj of water moving through pipes; worked by the pressure of a fluid, esp water: 通過(guò)水管流動(dòng)之水的; 用液體 (特指水) 的嘔力控制的; 水力的; 水型的; 用水發(fā)動(dòng)的： a ~ lift; 水力舁降機(jī); ~ brakes, in which the braking force is transmitted by compressed fluid; 水力制動(dòng)器 (制動(dòng)之力最由默縮之液體傳送 ) : hardening under water: 在水中壓硬的; 水硬的： ~ cement. 水硬水泥。 hydrau4ics n pl science of using water to produce power. 水力學(xué)。