为了恢复农业生产和加强漕运力量，于开皇四年（584）开“广通渠”引渭水直达潼关。
On the fourth years of KaiHuang ( 584 ) , the government built " Guang Tong Dike " to lead Wei water to Tongguan for the sake of the instauration agricultural production and expanding canal transport capacity .
广通渠