超声切面显像仪 ultrasonic tomograph
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采用单切面实时超声显像法对20例慢性胆囊炎及30例胆囊切除术后患者，进行了流体餐胃动力学多项指标检测。
Gastric motility functions in 20 patients with chronic cholecystitis, 30 patients with cholecystectomy and 25 normal controls were studied by ultrasonography(US).
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