The utility model is suitable for a central air-conditioning system of a hotel, a market and an office building.
本实用新型适用于宾馆、商场、办公大楼的中央空调系统。
The utility model is suitable to the application as a baton and also can be used as exercise body-building equipment which is convenient to carry.
本实用新型适于作警棍应用，也可作运动健材使用，携带很方便。
The utility model is suitable to the application as a baton and also can be used as exercise body-building equipment which is convenient to carry.
本实用新型适于作警棍应用，也可作运动健材使用，携带很方便。
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