词典释义：
双语例句
-
Refrigerant-F12 has purity of 99.8%. which will provide excellent frigorific ability for vehicle, it has no erosion to the refrigeration system, with no water or other impurities in it.
本品是一种高效致冷剂，纯度高达99.8%以上，制冷效果极佳，不含水和其他有害杂质，可保护制冷系统不受腐蚀。