A little boy almost thought of himself as the most unfortunate child in the world because poliomyelitis made his leg lame and his teeth uneven and protrudent.
一个小男孩几乎认为自己是世界上最不幸的孩子，因为小儿麻痹症使他腿脚行动不便，牙齿参差不齐。
The tectorial membrane part is arranged partially at the circumferential direction of the stent body, and the end part of one side of the tectorial membrane is provided with a protrudent marker.
覆膜部分在支架体圆周方向是部分设置的，在覆膜一侧端部设有凸出的标记。
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