单词	purity ring
释义	purity ring 纯度环
随便看	refrigerant distribution refrigerant distributor refrigerant diuretic refrigerant drying refrigerant drying apparatus refrigerant flow rate refrigerant fluid refrigerant gas refrigerant gas for cooling motor refrigerant heater refrigerant hose refrigerant hydrate refrigerant inlet refrigerantion cycle refrigerant latitudes refrigerant line refrigerant lines refrigerant liquid refrigerant liquid flowmeter method refrigerant manufacture refrigerant material refrigerant metering device refrigerant metreing device refrigerant mixture Refrigerant mixtures