加之食管、胃前壁是单层吻合，所以术后并发症的发生率明显减少。

Besides, the front wall of the esophagus and stomach are connected on one side, so the occurrence rate of complications is obviously reduced.

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囊壁薄，为单层扁平上皮，囊内含清亮浆液性液体。

A thin cyst Paries, is simple squamous epithelium and containing crystal serous fluid inside the cyst.

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对于单层厚壁圆筒体，确定其中性层的位移量是获得正确展开尺寸的关键所在。

For monoblock thick cylinder, the key to get exact developed dimension is to confirm the displacement of interlayer.

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