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拉直肠 | |||
记名提单 | |||
上袅【建 | |||
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直肠; 动物背侧肛 | |||
直肠 (消化管位于盆腔下部的一段,全长10〜14cm。直肠在第3骶椎前方起自乙状结肠,沿骶骨、尾骨前面下行,穿过盆膈移行于肛管。直肠在矢状面上有两个弯曲,即骶曲和会阴曲,在冠状位上有3个凸向侧方的弯曲。直肠镜、乙状结肠镜检查时应注意这些弯曲部位,以免损伤肠壁) | |||
拉直肠 | |||
直肠 (pl. recta) | |||
English thesaurus | |||
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Regional Centre for Training in Aerospace Surveys (ECA) | |||
Regional Centre for Training in Aerospace Survey | |||
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reliability-cost trade-off analysis |
recta : 45 phrases in 11 subjects |
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