英语翻译If a contractor-engineer,by some stroke of genius,were t

英语翻译
If a contractor-engineer,by some stroke of genius,were to present to design engineers today a wonderful new scheme for long span prestressed concrete bridges that made them far cheaper,he would have to make these ideas available to all other constructors,even limiting or watering them down so as to "get a group of truly competitive bidders."
楼下的仁兄翻译的不成句子啊！但还是很感谢