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罗曼蒂克消亡史电影完整版,xxxx18一20岁hd,苍井空张开腿实干12次,国产又粗又猛又爽又黄老大爷,夹枕头教程图坐在椅子


Refrigerant

Alias : Freon, refrigerant

Property : working medium of refrigeration cycle

Properties: The refrigerant is a transparent, odorless, non-flammable, explosive and chemically stable product. It can be applied to high-temperature, medium-temperature and low-temperature refrigerators to meet the requirements of different refrigeration temperatures.

Features of refrigerant:

Refrigerant is a kind of low-temperature refrigerant, which can obtain a cooling temperature of -80°C. The phase change of the refrigerant is used to transfer heat, that is, the refrigerant absorbs heat when it vaporizes in the evaporator and releases heat when it condenses in the condenser.

Suitable for household air conditioners, central air conditioners and other commercial refrigeration equipment.

The refrigerant can also be used as the raw material of polytetrafluoroethylene resin and the intermediate of fire extinguishing agent 1121.

Refrigerant packaging : use pressure bottle packaging, packaging specifications: 10kg/bottle, 13.6kg/bottle, 22.7kg/bottle, 400kg/bottle, 800kg/bottle, 950kg/bottle, 1000kg/bottle





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