Ryan Gregoire was 15 when Hurricane Katrina flooded his Chalmette, La., home and forced his family to evacuate.
卡特里娜飓风席卷了他在洛杉矶查尔梅特的家园并迫使他们不得不撤离，那个时候赖安.格雷古瓦（RyanGregoire）只有15岁。
Ryan Gregoire was 15 when Hurricane Katrina flooded his Chalmette, La. , home and forced his family to evacuate.
卡特里娜飓风席卷了他在洛杉矶查尔梅特的家园并迫使他们不得不撤离，那个时候赖安.格雷古瓦（RyanGregoire）只有15岁。
The mechanism of bending strength increased by bauxite chalmette and the process were investigated by XRD and SEM.
利用XRD、SEM等测试手段，对熟铝矾土提高瓷坯抗弯强度的机理和生产工艺进行了研究。
The mechanism of bending strength increased by bauxite chalmette and the process were investigated by XRD and SEM.
利用XRD、SEM等测试手段，对熟铝矾土提高瓷坯抗弯强度的机理和生产工艺进行了研究。
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