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干燥全体，呈长条薄片状，头端及尾端仍保持原来形状 <ref>[https://www.sogou.com/tx?query=%E5%B9%B2%E7%87%A5%E5%85%A8%E4%BD%93%EF%BC%8C%E5%91%88%E9%95%BF%E6%9D%A1%E8%96%84%E7%89%87%E7%8A%B6%EF%BC%8C%E5%A4%B4%E7%AB%AF%E5%8F%8A%E5%B0%BE%E7%AB%AF%E4%BB%8D%E4%BF%9D%E6%8C%81%E5%8E%9F%E6%9D%A5%E5%BD%A2%E7%8A%B6&hdq=sogou-site-706608cfdbcc1886&ekv=3&ie=utf8& 干燥全体，呈长条薄片状，头端及尾端仍保持原来形状],天涯社区 -2013-8-2</ref> 。全体弯曲不直，体前稍尖，中央有口，尾端钝圆，体背色棕红或灰红，腹部色较淡，前端有一环带，色浅，习称"白颈" <ref>[https://www.sogou.com/tx?query=%E4%BD%93%E8%83%8C%E8%89%B2%E6%A3%95%E7%BA%A2%E6%88%96%E7%81%B0%E7%BA%A2%EF%BC%8C%E8%85%B9%E9%83%A8%E8%89%B2%E8%BE%83%E6%B7%A1%EF%BC%8C%E5%89%8D%E7%AB%AF%E6%9C%89%E4%B8%80%E7%8E%AF%E5%B8%A6%EF%BC%8C%E8%89%B2%E6%B5%85%EF%BC%8C%E4%B9%A0%E7%A7%B0%22%E7%99%BD%E9%A2%88&hdq=sogou-site-706608cfdbcc1886&ekv=3&ie=utf8& 体背色棕红或灰红，腹部色较淡，前端有一环带，色浅，习称"白颈],饭菜网 -2013-4-27 - </ref> 。体壁较厚。不易折断，断面黄白色。气腥，味微咸 <ref>[https://www.sogou.com/tx?query=%E4%BD%93%E5%A3%81%E8%BE%83%E5%8E%9A%E3%80%82%E4%B8%8D%E6%98%93%E6%8A%98%E6%96%AD%EF%BC%8C%E6%96%AD%E9%9D%A2%E9%BB%84%E7%99%BD%E8%89%B2%E3%80%82%E6%B0%94%E8%85%A5%EF%BC%8C%E5%91%B3%E5%BE%AE%E5%92%B8&hdq=sogou-site-706608cfdbcc1886&ekv=3&ie=utf8& 体壁较厚 。 不易折断，断面黄白色。气腥，味微咸],搜狐网 2019-7-24</ref>。以条大、肥壮、不碎、无泥者为佳。主产广东、广西等地<ref>[https://www.sogou.com/tx?query=%E4%BB%A5%E6%9D%A1%E5%A4%A7%E3%80%81%E8%82%A5%E5%A3%AE%E3%80%81%E4%B8%8D%E7%A2%8E%E3%80%81%E6%97%A0%E6%B3%A5%E8%80%85%E4%B8%BA%E4%BD%B3%E3%80%82%E4%B8%BB%E4%BA%A7%E5%B9%BF%E4%B8%9C%E3%80%81%E5%B9%BF%E8%A5%BF%E7%AD%89%E5%9C%B0&hdq=sogou-site-706608cfdbcc1886&ekv=3&ie=utf8& 以条大、肥壮、不碎、无泥者为佳。主产广东、广西等地 ],A+医学百科 -2018-10-19</ref> 。