The host rock conformably overlies a band of siliceous chertybrecia.
含矿主岩整合地于硅质燧石角砾石带之
。
The host rock conformably overlies a band of siliceous chertybrecia.
含矿主岩整合地于硅质燧石角砾石带之
。
The granite overlies the older rocks.
花岗岩躺在磨损的岩石。
Results A two-year follow-up revealed there occurred butment caries,luxated butment,and overlain residual root gingivitis,even on the rise,while the alveolar ridge showed no uneven absorption.
果基牙根龋、基牙松动、
盖残根牙龈炎的发生
呈递增趋势,而牙槽嵴则无不均匀吸收。
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