| 摘要 |
An air dryer device including a tapered cylindrical casing consisting of five sections and fastened to a dental 3-way syringe for the holding of the hand, and an air dryer unit fastened inside the tapered cylindrical casing to remove moisture from the air being compressed to the dental 3-way syringe, the air dryer unit consisting of a layer of activated aluminum particles, a layer of activated carbon, and an air filter board respectively separated by wire gauzes.
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