词汇	prevent concrete board
释义	prevent concrete board 预应力混凝土
随便看	the rich the-rich the rich and handsome the rich and powerful the rich and the poor The rich are not benevolent the rich bouquet of mature brandy the rich class the rich deposit of uranium the riches of knowledge the riches of Oriental art the riches of the soil the richest man The richest man in Russia the richest town in america The Rich Imagination The rich man isa host ofthewealth The rich man left his son nothing in the will The rich man lives in luxurious surroundings The rich meal lay heavy on my stomach The rich mixture The rich mixture,as it burns,streams out The rich mixture, as it burns, streams out the rich oppressing the poor the rich peasant