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A portion of normal kidney protrudes at the lower center.
一部分正常肾脏突出于正下方。
youdao
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A cement bridge used in a well to seal the lower portion of the well.
在井中为封堵井的下部所用的水泥塞。
youdao
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A cement bridge used in a well to seal the lower portion of the well.
在井中为封堵井的下部所用的水泥塞。
youdao