heavy duty是什么意思

heavy duty是什么意思

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 1We 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。 2Numatics ISO series valves are high speed, heavy duty valves, designed for general service on all types of automation.纽曼帝克ISO系列阀是高速，重载阀，一般服务，旨在对所有类型的自动化。