一、“燎石以攻、既导既辟”解北宋嘉祐四年(公元1059年),李师中主持重修灵渠,并撰写了《重修灵渠记》。文中有“燎石以攻,既导既辟,作三十四日乃成废陡门三十六,舟楫以通。”此数语,后世史家多有误解。笔者认为,“燎石以攻,既导既辟”是在炸药问世之前,我国劳动人民用来开挖石渠、开挖石方或开采石材的一种方法。此法并非李师中重修灵渠时的创造 First, “Liao Shi to attack, both the guide and the provision of” solution to the Northern Song Jiayou four years (AD 1059), Li Shizhong rebuilt the Nervous Canal, and wrote the “rebuke Lingtuanji.” The text “Liao Shi to attack, both guide the provision of provision for thirty-four days is a waste steep door thirty-six, Zhou Yi to pass.” This number, later historians misunderstood. The author believes that “Liao Shi to attack, both guide and provision” before the advent of explosives, our working people used to excavation of stone canals, excavation of stone or a method of mining stone. This method is not Li Shizhong rebuilt the creation of the canal