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- Inner diameter of well pipe. 井管内径。
- Note: The front two numbers indicate the inner diameter of the pipe, and the back two indicate the outer diameter. 说明:前两位数表示管子内径,后两位数表示管子外径。
- Pig receiver& launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned. 收发球筒采用卧式平放，收、球阀的直径应等于被清扫管线的内径。
- Pig receiver &launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned. 收发球筒采用卧式平放，收、发球阀的直径应等于被清扫管线的内径。
- Pig Launcher &Receiver shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned. 收发球筒采用卧式平放，收、发球阀的直径应等于被清扫管线的内径。收发球口和进油（气、水）口分别通过阀门与主管线连接。
- Measure the inner and outer diameter of big pipe. 用于测量大口径长钢管的内外径测量。
- The initial inner diameter of the outer cylinder was 59 mm, giving a shrinkage allowance of 1. 5%. 外圆筒的初始内径为59毫米;热套裕度为1.;5%25。
- Appropriate damping clearances are formed by changing inner diameter of the cylinder, which makes that damping coefficient varies with displacement. 通过改变阻尼器缸体内径形成合理的阻尼通道间隙，使阻尼系数具有随位移改变而变化的特性。
- The change of inner diameter of inferior vena cana was observed 30 minutes later by angiography. 消融后 30min行下腔静脉造影 ,观察其管腔直径的变化。
- The influence of argon flow, are length, the inner diameter of hollow cathode on the voltage - ampere characteristics are discussed. 并讨论了氩气流量、弧长和空心阴极内径对电弧伏安特性的影响。
- The tremie is connected with special bayonet fittings, with the inner diameter of 25cm and segment length of 3m except for the bottom segment 6m. 导管采用专用的卡口式导管，导管内径25cm，分节长3m，最下节长6m。
- The rate of the carotid atheromatous plaque of CI group was 78.75%,the IMT and inner diameter of CCA of CI group were significantly different from control group(P<0.05). 脑梗死组颈动脉粥样硬化斑块检出率(78.;75%25)、CCA内径及IMT与对照组比较;差异有统计学意义(P<0
- A "standard fitting" typically refers to the use of a BTE hearing aid (of any size) coupled to an earmold that uses a #13 tubing (inner diameter of 1.9 mm). 典型的“标准”验配指的是耳背式（或其他形式）的助听器使用13号导管（内径1.;9毫米）和耳模进行耦合的验配方式。
- The inner diameter of open die mandrelless extruded tube parts is predicted with the transient rigid plastic FEM.The prediction shows good accordance with experiments. 本文采用非稳态塑性有限元对开式挤压无芯棒缩管稳态成形内径尺寸进行了数值模拟预测，预测结果与实验相符。
- Furthermore it also analyzes the effects of inner diameter of cylinder on valve parameters and obtains the coefficients of effect of slice thickness on throttle slot. 利用开阀压力与阀片变形以及流量之间关系，建立油气弹簧阀系参数解析设计公式，对阀系参数进行解析设计。
- Wellblockage in the sulphur-high,acid-ultra,natural gas field inZhaolanzhuang,China,is attributed,to a large extent,to sulphur encrustation onthe internal walls of well pipes. 中国赵兰庄高硫超酸性天然气田井堵重要原因之一是井管结硫。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- Measure the diameter of this circle. 量一下这圆的直径。
- We must gauge the diameter of wire first. 我们必须先测量电线的直径。
- Designing and construction of well pipe and well point drawdown 管井井点降水的设计与施工
