Fluroscopic images often demonstrate a smooth, asymmetric, descending duodenal extrinsic impression, with or without obstruction.
透视常常显示一个光滑、不对称的十二指肠降段的外在性压迹，伴有或不伴有肠梗阻。
Sensors can be mounted without shutting down flow and there is no obstruction or pressure drop. Flow rate and totalizer are displayed continuously along with battery status, signal strength.
传感器可以安装无需关闭流，也没有阻挠或压力下降。流量积算显示和不断随着电池状态，信号强度。
Sensors can be mounted without shutting down flow and there is no obstruction or pressure drop. Flow rate and totalizer are displayed continuously along with battery status, signal strength.
传感器可以安装无需关闭流，也没有阻挠或压力下降。流量积算显示和不断随着电池状态，信号强度。
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