A岩骨应投影于上颌窦的下缘
B岩骨上缘影于眼眶中
C岩骨上缘投影于上颌窦下缘
D岩骨上缘投影于上颌窦下缘下1cm
E岩骨上缘投于上齿槽
对瓦特(Water位)影像标准的判断,哪一项是正确的()
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对瓦特(Water位)影像标准的判断,哪一项是正确的()
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()provides strength and strong space for fule,lubricating oil,fresh water,salt(ballast)water and potable water.
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Solid waste generation,and electricity and water consumption are costly and have their own set of environmental().
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() allows for expansion and water make up in the water cooling system.
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副鼻窦瓦特氏位,不能观察到的影像有( )
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()extinguish oil and electrical fires with water.
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Such problem ()air, water, and noise pollutions are becoming more and more serious in some big cities.
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Weigh anchor and()(留)one shackle in water.
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