boiler accessory 锅炉辅助设备 ; 锅炉附件
They are widely used for the accessory elements of refrigerator sets, central air-conditioning, hot pump sets, compressor sets, washing machine, boiler and other machinery.
作为配套产品，广泛应用于制冷机组、中央空调、热泵机组、压缩机组、洗涤设备、水处理设备等诸多设备中。
The utility model relates to a boiler with a smoke circulating unit, particularly the improvement of the structure of a boiler accessory.
具有烟气循环装置的锅炉是涉及锅炉附件结构的改进。
Memory and timing automatic safety gas valve is of valve and household boiler accessory.
记忆定时自动安全燃气阀，属阀和家用炉零件类。
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