⑴

一种盐、酸或碱和水或冰组成的冷却剂  

Refrigerants Composed by Single Salt, Acid or Base and Water or Ice

⑵

两种盐和水组成的冷却剂

Refrigerants Composed by Two Kinds of Salt and Water

⑶

两种盐和冰组成的冷却剂

Refrigerants Composed by Two Kinds of Salt and Ice

⑷

干冰冷却剂和气体冷却剂

Dry Ice Refrigerants and Gas Refrigerants