a cryogenic storage system低温冷藏系统Foamed plastic materials containing many small cells which are not connected are good cryogenic insulating materials.塑料泡沫材料含有许多互不相通的小气囊,是优良的低温绝缘材料.Trapping gas pump include: adsorption, su...
a cryogenic storage system低温冷藏系统Trapping gas pump include: adsorption, such as pumps and cryogenic pumps.气体捕集泵包括: 吸附泵和低温泵等.Foamed plastic materials containing many small cells which are not connected are good cryogenic i...