The presence of fingerprints, halocarbon oils, and machine oils have been shown to significantly reduce the temperature resistance of metals, including stainless steel and nickel.
已经证明,手印、卤烃油和机油的存在会大大降低包括不锈钢和镍在内的金属的抗温度能力。
2
The trans-critical CO2 air conditioning system has almost the same efficiency as the halocarbon system, and is suitable to be used in automotive air conditioning system and heat pump system.