安装在两根平行轴上的直齿轮最常见的齿轮，这种齿轮带直齿。
A pair of spur gears for mounting on parallel shafts are the most common type of gears, which have straight teeth.
枢椎齿状突骨折在颈椎骨折中很常见，但此前只有6例由齿突骨折导致的BSS被报道。
Fracture of the odontoid of the axis is a common injury in the cervical spine but only 6 BSS cases caused by odontoid fractures have been published previously.
直肠癌是指齿线至直——乙状结肠交界处之间的癌肿，是消化道最常见的恶性肿瘤之一。
Cancer refers to the teeth straight line-at the junction between the sigmoid colon cancer, digestive tract is one of the most common malignant tumor.
常见的共轭曲面包括齿轮的齿面、空间凸轮的工作面和螺旋面等，其中螺旋面被广泛应用于螺纹、蜗杆、螺杆泵及金属切削刀具等领域。
The common conjugate surface includes tooth surface of gear, working surface of solid CAM, helicoidal surfaces existing in spiral burr, worm, chip flute of cutters, and so on.
矫齿隐形牙箍的产品网站。提供产品及疗程介绍、个案分享、常见问题等。
A teeth aligning product. Provides product and treatment overview, case studies, and frequently asked questions.
六线鱼，长蛇齿鱼六线鱼科的以海洋生物为食的任一种鱼，常见于北太平洋岩石海岸海区。
Any of various Marine food fishes of the family Hexagrammidae, which frequent rocky coastal areas of the northern Pacific.
在普通液压式粉末成形机上压制成形同步器齿毂压坯的过程中，对压坯常见的裂缝进行了剖析，并提出了避免裂缝的措施，以提高其批产合格率。
Compact cracks in guide pieces caused by ordinary hydraulic forming press have been analyzed. Countermeasure to avoid cracks has been proposed for improving the qualification rate in mass production.
齿面常见的失效形式有齿面点蚀、齿面磨损、齿面胶合和齿面塑性变形等。
Failure mode of tooth surface is varied such as teeth surface pitting, teeth wear, teeth bonding and teeth plastic deformations and so on.
讨论了一些常见的方法并针对某一具体型号的铣齿机提出了新的改造措施，为机床改造提供新思路。
In this paper, some familiar ways were reviewed and a few of new measures for a type of gear-making machine tool were drawn, which will be new thinking for rebuilding of other machine tools.
含齿囊肿是颌部第二常见的囊肿，4%有未萌出牙的病人会出现含齿囊肿。
Dentigerous cysts are the second most common type of cyst in the jaw. 4% of patients with unerupted teeth have a dentigerous cyst.
含齿囊肿是颌部第二常见的囊肿，4%有未萌出牙的病人会出现含齿囊肿。
Dentigerous cysts are the second most common type of cyst in the jaw. 4% of patients with unerupted teeth have a dentigerous cyst.
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