صفحه ی اصلی سوالاتدسته بندی: پمپ های وکیومWhat is difference between vacuum and air?
مهیا 3 سال قبل

What is difference between vacuum and air?

Air tight means not allowing air to pass in or out. Vacuum on the other hand means no air altogether- vacant or empty. Vacuum means completely empty. Not even air is present.