《史记·河渠书》记载，汉武帝听从庄熊署建言，“发卒万余人穿渠，自微引洛水至商颜山下。岸善崩，乃凿井，深者四十余丈。往往为井，井下相通行水。水■以绝商颜，东至山岭十余里间。井渠之生自此始。穿渠得龙骨，故名曰龙首渠，作之十余岁，渠颇通，然犹未得其饶”。本世纪 According to Records of Historical Records and Canal Drifting Books, Emperor Han Emperor Wu obeyed Zhuang Xiong’s suggestion that “more than a thousand people died in disasters and went to Shan Shan from the micro-Yinluo water. Often for the well, underground phase of access to water. Water ■ to business Shang Yan, east to the mountains more than ten miles. Well was born from the beginning of the canal dressed in keel, hence the name of the first dragon, for more than ten years, drainage Quite pass, but still unbearable. ” This century