目的研究指定位移约束对颌骨的应力分布影响。
Objective To study stress distribution in jawbone tissues around dental implant under displacement constraints.
“他们不得不用颌骨的生活中提取他从车上，”默菲林说。
"They had to use the jaws of life to extract him from the vehicle," McFerrin said.
他试图轧辊9球的权利，但铁球在困扰颌骨的底部右口袋，但没有下降。
He tried to roll the 9-ball down the right rail but the ball rattled in the jaws of the bottom right pocket but did not drop.
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