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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句