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 charm is attached to a cord using a metal ring and cylinder and included with the sets as a separate accessory that children can attach to the toy necklace, bracelet or key chain.
该小挂件用一个金属环和小圆柱附在一根绳索上，并且包括在该套件中作为一个儿童可以附在玩具项链、手链或钥匙链上的分离的附加物。
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