横口
横口-
横机罗纹起口编织的若干问题探讨
Methods of Rib Starting in a Flat Knitting Machine
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用X线片观察枢椎横突管外侧口、环椎横突孔、环椎椎动脉沟和椎动脉环的大小和深浅可以预测椎动脉管径。
The diameter of the vertebral artery may be estimated by observing through radiography the size and depth of the lateral aperture of the canal transversarium of the axis , foramen transversarium of the atlas and vertebral artery groove or ring of atlas .