全覆盖、覆盖面积15万平方，21部电梯的翻译：Full coverage, covering an area of 150,000 square feet, 21 elevators 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Full coverage, covering an area of ??150,000 square feet, 21 lifts

Full coverage, covering an area of 150,000 square feet, 21 elevators

Entire cover, cover area 150,000 squares, 21 elevators

Full coverage, covering an area of 150,000 square feet, 21 elevators