目的掌握上颌窦前壁开窗借助光导纤维灯直视下取牙断根的临床应用。
Objective To practise clinical application of the new technique of anterior wall fenestration of maxillary sinus in removing fractured dental root under direct vision with fiberoptic light.
奥迪汽车的一些特色也整合在这款自行车中，例如LED灯、皮带传动、铝制和碳纤维的零件和碟式刹车。
Audi features are integrated into the cycle including LED lighting, a belt drive, aluminum and carbon fiber components, and disk brakes.
这里的每一盏小灯都是用意大利拉文纳玻璃纤维外面裹着一层意大利当地石质纯手工制作而成的。
Each lamp is handcrafted in Ravenna, Italy, of fiberglass and then coated with a layer of natural Italian stones.
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