本实用新型涉及玩具产品技术领域，特指一种模拟留声机。
The utility model relates to the technical field of toy product, in particular to an analog gramophone.
本实用新型提供了一种温控阀，属于阀门技术领域。
The utility model provides a temperature control valve, which belongs to the technical field of valves.
本实用新型涉及玩具产品技术领域，特指一种可模拟雪景的玩具。
The utility model relates to the technical field of toy product, in particular to a toy able to imitate snow scenery.
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