配套法兰内径必须与套管内径匹配。
最小供气管内径13mm。
最小供气管内径12mm。
最小供气管内径10mm。
方法用游标卡尺测量血管内径，并进行统计学分析。
Methods To measure the diameter by using vernier caliper and analyze them by statistics.
介绍了一种炮管内径测量仪机械结构和电路系统的设计方案。
The design scheme of mechanical structure and circuit system of measuring instrument for internal diameter of artillery tube is introduced.
目的观察针灸、推拿对腰椎间盘突出症患者椎管内径的变化。
Purpose To observe a change in vertebral canal diameter in patients with lumbar intervertebral disc prolapse treated by acupuncture moxibustion plus massage.
井径测井主要用于确定套管内径变化、射孔孔深及接箍深度等。
Caliper logging is mainly used to determine the change of inside diameters of casings, perforating depth and the depth of collars.
手术原则是颈浅静脉切除，颈内静脉重叠缝合，以缩小血管内径。
The operative principle: is resection of the superficial jugular vein and the infoding suture of the internal jugular vein, so as to constrict the inside diameter of the blood vessel.
探讨了实现等价替代的条件，并据此导出了当量毛细管内径和长度的精确计算公式。
The equivalent conditions are discussed and theoretical formulas of the equivalent inner diameter and length are derived from the fundamental momentum and energy equations.
当柱塞自由移动时，柱塞的外体直径刚好能够满足生产油管内径密封需求，提供最大的密封保障。
The outer-body diameter of the plunger is cut just under production tubing drift to provide the maximum seal while the plunger moves fr eely.
比较注射前后小动脉、小静脉及毛细血管内径的变化，测定红细胞与两种造影剂在微循环内的流速。
The diameter of the arterioles, venules and capillaries before and after injection were compared. The velocity of the red blood cells and the contrast agents were measured.
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.
超声观察肝外胆管内径、管壁厚度、管腔内透声、肝动脉峰值流速(PS V)、阻力指数(RI)。
Focus on extrahepatic bile duct diameter, wall thickness, lumen transparent sound, hepatic artery peak flow velocity (PSV) and resistance index (RI).
介绍了一种检测细长钢管内径的光电检测装置。该装置利用线阵CCD作传感器，采用8031单片机作为主控制。
In this paper, a photoelectric instrument for measuring inner diameter of steel pipe is introduced, in which the linear CCD is used as sensor, and 8031 monolithic computer as master control system.
既然铁氟龙以及聚乙烯之导管内径比金属导体的外径大出许多，因此金属导体仅接触到单一的导管，导体几乎受到空气完美隔离。
Since the inner diameter of the Teflon and PE tubes is much larger than the outer diameter of the metal conductor, the metal only touches the tubes in a single line.
结果1。从介入治疗的角度得到了甲状腺上、下动脉起点位置及方位，非腺体支与腺体血管内径、长度、角度等的解剖及影像统计学资料。
Results 1. The anatomical and imaging data of the location, direction, inner diameters, length and angles of thyroid arteries were gained for the sake of interventional therapy.
研究了中空纤维膜组件在反冲操作时膜管内压降规律，考察了膜渗透系数、膜长度及膜内径对膜内压力分布及透量因子的影响。
The pressure distribution in hollow fiber membrane model is given and the effects of membrane permeability, length and diameter on pressure distribution and flux factor of the model are studied.
结果显示肝外胆管显示长度增加，内径明显增宽，同时胆管内透声亦明显改善。
The results showed the increased length and the inside diameter of extrahepatic bile duct and the obvious improvement of ultrasound pentration.
构造：号码管内部成凹型，具有弹性，内径能随着电线大小而伸缩。
Struction: the inside is hollow, but elastic, the diameter can change with the needed wire.
构造：号码管内部成凹型，具有弹性，内径能随着电线大小而伸缩。
Struction: the inside is hollow, but elastic, the diameter can change with the needed wire.
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