Fishing was their main sustainment.

钓鱼是他们的主要生计.

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Mastering a trade, perfecting our human craft - self - sustainment is achieved as we author our own almanac.

贸易管理, 对工艺精益求精-发明历史的同时,我们可以得到自我支撑.

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It is economic and to adapt. isto the recovery and sustainment of the whole oral functions.

结论:SDA治疗 法合理经济,易于适应, 有利于口腔整体功能的恢复和保持,特别适合中老年患者.

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