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- effective diameter of pipe 有效管径
- The effective diameter of the motor pulley is obtained by subtracting 5 mm from the outer diameter. 马达皮带轮的有效直径为外径减5mm的数值。
- The ratio of the focal length of a lens or lens system to the effective diameter of its aperture. F值物镜或物镜系统的焦距与入射光孔直径之比
- Inside diameter of fitting should match inside diameter of pipe as specified by purchaser. 如果购买者要求,连接件的内径应该适应管道的内径。
- Based on the principle of plane winding, the calculation methods of the effective diameter of the turntable and the effective length of the link rod were determined. 根据球形压力容器平面缠绕原理确定了轮盘有效直径和连杆有效长度的计算方法;
- The author describes the function, type and components of this system, as well as the calculations of pipe diameter of the system. 本文重点介绍了透气系统的功能、型式和组成,并详细阐述了系统中管路管径的计算顺序和方法;
- Based on the OTF, relations between the effective diameter of three operture system and pupil parameters including the diameter of sub-apertures and spacing parameter are analyzed. 以光学传递函数为标准,分析三孔径合成系统子孔径尺寸、相互间距与等效系统孔径尺寸之间的关系。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- 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。
- Measure the diameter of this circle. 量一下这圆的直径。
- effective diameter of soil particle 土粒有效直径
- We must gauge the diameter of wire first. 我们必须先测量电线的直径。
- effective diameter of picture area 有效画面直径
- effective diameter of picture area diameter 有效画面直径
- internal diameter of pipe bore of pipe 管的内径
- Join one section of pipe to the next. 将一段管子与相邻的管子连接起来。
- The pond has a diameter of three hundred metres. 这池塘直径有三百米。
- Join the two sections of pipe together. 将这两段管子连接在一起。
- A system of pipes, such as those used in plumbing. 管道,管线,管道网一管道系统,如那些用来铺设铅管的
- A length of pipe with a sharp bend in it. (管子的)弯曲处一段有弯曲的管道