ERCP 是“经内镜逆行胰胆管造影”的简称，是一种可以让你的外科医生检查你的胰管和胆管状况的一种技术。 内镜是一根很轻的，粗细像人的食指，柔软的可以弯曲的管子。
ERCP is a procedure that enables your surgeon to examine the pancreatic and bile ducts.
九个小管中的五个是直的，里面有升降机，然而其他四个弯曲的管子里面有管道和电线。
Five of the nine smaller tubes are straight and contain elevators, while the other four are more crooked and carry the ducts and wires.
如图所示的管卡，它使用圆的、方的或长方形钢板，使其弯曲与管子外园贴合。
Pipe clamps similar to this illustrated in the figure were developed that utilized round, square, or rectangular pieces of steel curved to fit the outside of the pipe.
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