This paper has also discussed about the technical characteristics of thin filament arch, the ways of expanding arch, the effects and the limitations.
文章还对细丝弓技术的特点、扩弓的方法、效果和限度进行了讨论。
This paper has also discussed about the technical characteristics of thin filament arch, the ways of expanding arch, the effects and the limitations.
文章还对细丝弓技术的特点、扩弓的方法、效果和限度进行了讨论。
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