A simple water treatment device is developed to make the handpiece of the dental multipurpose therapy unit free of being dirtied and jammed.
一种简易净水装置，解决没有配备滤水装置的牙科综合治疗机经常出现的手机脏堵问题。
The Recreational and Diversional Therapy Unit is subvented by the Community Chest.
康乐治疗小组是公益金资助的其中一项服务。
The Recreational and Diversional Therapy Unit is subvented by the Community Chest.
康乐治疗小组是公益金资助的其中一项服务。
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