The Nile crocodile rolled its eggs gently in its teeth to help them hatch.
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2. 模拟结果表明，齿腔充填饱满且无塌角缺陷。
The simulation results show that insufficient corner filling is avoided and the whole gear forming effect is good.
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3. 热量传递的不均匀性会导致篦齿腔内出现小旋涡，也增强了封严效果。
The uneven distribution of the heat transfer causes to produce small eddy at the cavity of the labyrinth and an increase in the sealing effectiveness.
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4. 唾液可以保护牙齿免受引发牙齿腔洞和牙龈炎的细菌感染，所以长期干燥的口腔更易患这两种疾病。
Saliva helps protect teeth and gums from bacteria that cause cavities and gingivitis. So a perpetually dry mouth is more susceptible to tooth decay and gum disease.
The material flow in steel synchronizer ring under top location mode is better than that under bottom location mode, which greatly benefits defects control.
The material flow in steel synchronizer ring under top location mode is better than that under bottom location mode, which greatly benefits defects control.
