The technical problems to be solved is the technical background: As the steel lattice spacing of larger vertical plate, if a person set foot on them to easily, causing injuries and property losses.

• 所要解决的技术问题就是背景技术存在的：由于钢格板纵条间距较大，若人踏上去容易陷入其中，造成人员伤害和财产损失。