抽出空气 meaning in English

deflate
deflation
drawing-off air

The air is evacuated from the furnace .
从真空炉中抽出空气。
Embrace air plus - our most popular model , the concave - design provides special stability . the comfort control air chamber lets you adjust lower back support to your precise comfort level . vertical adjustment of the comfort chamber is possible when air has been removed
拥抱空气加强型- - - -我们最受欢迎的型号，凹面设计构造份外稳固，安舒调控气囊让你按你的准确舒适度调校腰部背靠，抽出空气后安舒气囊可上下调校。