久久香蕉网国产免费综合网_一级毛片特黄视频免费观看_亚洲综合激情网樱花草在线_国产微拍精品一在线观看_特级无码毛片免费视频播放_AV天堂免费在我观看_无翼少无翼恶女漫画全彩app_亚洲国产成人九九综合_国产成人亚洲综合色就色_日韩欧美一区二区在线

1. High rigidity design ensures vacuum degree and long-term stability; 

2. Rapid flashing ability 10Pa ≤ 10s; 

3. The vacuum pressure curve of fast and slow vacuuming can be adjusted in multiple segments; 

4. Integrated molding mechanism ensures the stability of equipment operation; 

5. Multiple detection ensures accuracy, cleanliness, and stability; 

6. Pre filter+dry pump to avoid oil and gas pollution in the chamber;