路矿 meaning in Chinese

(combined term for) railways and mines

Jim is very bossy ; he always wants to rule the roost
吉姆很路矿扈，总是要当头。
China ' s roads are among the world ' s most dangerous , with thousands of people dying each year in accidents caused by reckless driving , poor road conditions and overloading of vehicles
中国的道路位于世界最危险道路的行列.每年都有成千上万的人死于粗心驾驶,糟糕的路矿以及超载所造成的事故