8张X线片总结犬猫异物性肠梗阻的10点诊断经验 Marc A. Seitz, DVM, DACVR, DABVP (Canine and Feline Practice), Mississippi State University 肠梗阻 犬猫 x线 腹膜腔 胃腔 2025-09-03 18:13 2