underground cable route造句

• Power cable route protection zone : the areas between two parallel lines formed by 0 . 75 meters on both sides of the ground mark of underground cable route ; for sea - bottom cables , the zones should be the water surface between the two parallel lines formed by two nautical miles on both sides of the line ( 100 on both sides of the line in port ) and no less than 100 meters on both sides of the line in rivers ( not less than 50 meters for mid - sized and small rivers )
  （二）电力电缆线路保护区：地下电缆为线路两侧各零点七五米所形成的两平行线内的区域；海底电缆一般为线路两侧各二海里（港内为两侧各一百米） ，江河电缆一般不小干线路两侧各一百米（中、小河流一般不小于各五十米）所形成的两平行线内的水域。