通过X线片测量梨状隐窝下极与椎体相对位置。

The relationship of position between the inferior piriform recess and vertebral was measured through X-ray film.

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通过X线片测量梨状隐窝下极与椎体相对位置。

The relationship of position between the inferior piriform recess and vertebral was measured through X-ray film.

youdao