结果：1游离末端基牙远中牙颈部为最大应力区。

Results: 1 The greatest stress was in distal tooth neck area.

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远（区）红外线的能力远远超出肉眼看到的。

Far Infrared Rays (FIR) are well beyond the ability the naked eye to see.

youdao

远（区）红外线的能力远远超出肉眼看到的。

Far Infrared Rays (FIR) are well beyond the ability the naked eye to see.

youdao