the appurtenances of consumer culture.
消的附属品。
the appurtenances of consumer culture.
消的附属品。
Boiler's appurtenance: burners which will be suitable for the fuels of the boilers, water treatment devices, pumps, blowers, de-oxygenization devices, heaters, safety devices, water gages;
3配套备锅炉用何种料的烧器、水备、泵、风机、除氧器、加热器、安全阀、水位计等;
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