heavy duty 英 [ˈhevi ˈdju:ti]美 [ˈhɛvi ˈduti] 释义 重型,重载 重型的,责任重大的; 重载; 重负荷 双语例句 1 We were given charge of three Ships of the Line-heavy duty war vessels, bristling with cannons. 我们被给与三艘船控制-重型船舰,大炮林立。 2 Numatics ISO series valves are high speed, heavy duty valves, designed for general service on all ...