n. passimeter
激光内径测量仪 laser inside diameter measuring instrument
电感内径比较仪 inductance bore comparator
内径比较仪 internal comparator ; [机] inside comparator
内径测量仪器 internal measuring instrument
内径精测仪 indicating plug gauge
内径表面检查仪 boroscope
内径测量仪 internal diameter measuring instrument ; inner diameter measuring instrument
内外径比测仪 internal and external comparator
应用超声心动图仪测量室间隔、左室后壁厚度、左室舒张末内径并计算出左室心肌重量（LVM ） ；
The interventricular septum thickness (IVST), posterior wall thickness , end diastolic diameter of left ventricle and left ventricular mass(LVM) were measured.
使用美国HP5500型超声仪，由同一技术人员操作，测量肝门静脉、脾静脉内径及平均血流速度。
American HP5500 ultrasound instrument was used to determine the diameters and average velocities of portal vein and splenic vein.
方法采用超声仪检测3 6例胆囊切除术后患者的肝内外胆管， 测量胆管内径，观察管腔内回声。
Methods The ultrasonic features of 36 cases with biliary duct disease post Cholecystectomy were analysed. The biliary duct diameter and the echo characteristics inside duct were examined.
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