The duct that drains the entire gland is the main duct.
整个腺体的导管称主导管。
The duct that drains the entire gland is the main duct .
整个腺体的导管汇总在一起称主导管。
The diagnostic criteria for normal and abnormal parotid main duct were established.
笔者提出了正常与异常主导管的诊断标准。
In the steady flow in manifolds, there exist a number of stable flow states in the branches for the same main duct flow rate.
在稳定的多分支管道流动中，对于相同的主管道流量，各分支管道中可以有不同的稳定流动状况与之对应。
Result: Representation of punctate, sphere, cavity and destruction were seen in the parotids involvement by MR, so did few normal main duct and intraglandular ducts.
结果：在舍格伦综合征患者磁共振成像中可看到点状、球状、腔状及破坏性表现，少数有正常的主导管和分支导管表现；
Objective to investigate the feasibility of partial parotidectomy without ligation of the parotid main duct fort he treatment of benign parotid tumors which is less than 2.
目的探讨保留腮腺主导管的腮腺部分切除术在治疗肿瘤直径小于2。
The main manufacturers for air duct cleaning robot, the features of the robots manufacturedboth abroad and in China, and the applications of robot for air duct cleaning in China were described.
介绍了国外风管清洗机器人的主要生产厂家、国产机器人和外国产品的各自特点及国产机器人的应用情况。
ResultsSialograms showed a long, horizontal main excretory duct and a pear-shaped gland located infero-posterior to the angle of the mandible.
结果造影显示颌下腺腺体呈倒梨状位于下颁角后下方，主导管细长由腺体前缘发出，水平向前走行。
Conclusion Recurrent or retained bile duct stone is the main cause leading to biliary reoperation.
结论胆道再次手术的主要原因仍是胆道结石残留或复发。
This article introduces briefly the productive process of quartz sand in wet method, main equipments key steps and analysis of the qro duct content.
本文简介了湿法生产石英砂的工艺过程、主要设备、关键步骤及成品含量分析。
Objective To depict normal main pancreatic duct (MPD) on magnetic resonance cholangiopancreatography (MRCP).
目的探讨正常胰管的磁共振胰胆管成像（MRCP）表现。
Analyses glass-fiber board air duct, introduces its main technical characters, and briefly narrates its fabrication and installation.
全面分析复合玻纤板风管，介绍其主要技术性能指标，并简单叙述其制作和安装。
It usually contains a duct that joins the main pancreatic duct.
它通常含有与主胰管汇合的胰管。
The diameter of the main pancreatic duct is increased with the age. There is a significant difference.
指出主胰管宽径有随年龄增长而增宽的趋势，并在男、女性别间有一定差异性。
This product is made up of five parts: boiler main body, smoke air duct, dust collector, pipe system.
本产品出厂时由五大部分组成：锅炉主体、烟风道、除尘器、管路系统。
They run along a duct in the roof and then drop in a duct alongside the main stairs.
它们运行在屋顶沿管道，然后滴在沿着主楼梯管道。
In circular firing system, residual rotation of airflow at furnace outlet is the main reason for gas temperature deviation between two sides of furnace outlet and horizontal gas duct.
四角切圆燃烧锅炉炉膛出口气流的残余旋转，是形成炉膛出口和水平烟道两侧烟温偏差的重要原因，可造成高温受热面热偏差和超温爆管。
The new method of designing duct of balanced air suction by means of computer is suggested on the basis of analysing constant and decreasing velocities in the main collecting points.
本文在分析均匀吸风管道等速设计法和降速梯形设计法的基础上，提出了利用计算机设计均匀吸风管道的新方法。
The identification and position of fracture in the main pancreatic duct is also the key to successful treatment.
而主胰管断裂的识别和定位也是治疗成功的关键。
Our main products are: low-voltage distribution cabinets, cable tray, bus duct, the ground metal trough, mining lamps and so on.
公司主要产品有：低压配电柜、电缆桥架、母线槽、地面金属线槽、工矿灯具等。
Results:The main causes for iatrogenic bile duct injury were open cholecystectomy, common bile duct exploration and laparoscopic cholecystectomy, which accounted for 87.1% (27/31).
结果：开腹胆囊切除、胆总管探查及腹腔镜胆囊切除是医源性胆道损伤的主要原因，占87.1%（27/31）。
Conclusion Surgery was the main method for the treatment of hepatic hydatid bile-duct fistula.
结论手术治疗是肝包虫破入胆道的主要治疗方法。
The VDS was composed of the main venom gland, the primary duct, the accessory gland, the secondary duct and the fangs.
该系统包括毒腺（主腺、初级导管、副腺、次级导管）和毒牙。
The averaged gas velocity of flowing backward between the exhausting duct and the mixture tube increases with the rise of the main nozzle flux and the downwash flow velocity.
实验发现外套出口和混合管之间夹层存在气流倒流现象，倒流平均速度随着主喷管流量和下洗气流速度增加而增加。
Results:In normal condition, the common bile duct joined with the main pancreatic duct in the wall of duodenum.
结果：正常情况下，胆总管与主胰管在十二指肠壁内汇合。
Results Mechanical ventilation, intubation and duct for ventilator are the main reasons of nosocomial infection.
结果机械通气、气管插管、气管切开、呼吸机管道等易引发医院感染。
The main products include circular and rectangular duct fans; they are widely used in the hospital, hotel, meeting room and airport, etc for air exhausting system.
主要产品包括圆形管道风机和方形管道风机，其产品被广泛用在医院、酒店、会议室、机场等公共场所的换气和快速排气系统。
Our main products are :ceiling diffusers , return air grilles, volume control dampers, duct fittings, fiexibie ducts etc.
公司主要产品有：天花板扩散器，回风格栅，阻尼器，管件，保温管道等。
Spiral metal duct machine is the main product of the company, and it has been used widely by ventilation, transportation and other industries in recent years.
螺旋式金属制管机是公司的主打产品，近几年来已广泛被通风、输送等行业选用。
The main imagic characteristics were ampullary masses, dilations of biliary and pancreatic duct.
影像学检查主要表现为壶腹部肿物及胆、胰管扩张；
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