Full diameter structure of ball valve ensures the conformity of inside diameter of passage and pipeline, with the fluid resistance minimized and easy for cleaning pipeline.
全通径结构保证通道内径与管线内径一致，不但使流体阻力最小，也便于清洁通道。
This paper analyzes the variation principles and influence factors of inside diameter in tube press expansion.
分析了圆管压入扩径时内径变化的规律和影响因素。
The kelly bushing (KB) has an inside diameter profile that matches that of the kelly, usually square or hexagonal.
方钻杆补心的内径通常与方钻杆的外径（通常是四方钻杆或六方钻杆）相匹配。
The results showed the increased length and the inside diameter of extrahepatic bile duct and the obvious improvement of ultrasound pentration.
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。
In this laser the discharge tube with an inside diameter of 8mm and discharge length of 300mm is made of water-cooled segmented aluminium disks.
该激光器以水冷分段铝片组成放电管，内径8毫米，有效放电长度300毫米。
To guarantee the inside diameter of a pipe or other cylindrical tool by pulling a cylinder or pipe (rabbit) of known outside diameter through it.
确保管子或其它圆柱形工具的内径合适，通过拖动已知外径的圆柱体或管子(清管器)穿行其中。
If both outside and inside diameter reference notches are used, the optimum Angle shall be used which will indicate both notches as close to equal size as possible.
若外径和内径的参考槽同时被采用，应使用最佳的角度，使两个槽尽可能地接近相同的大小。
The present paper discussed the problems during the production of thick-wall glass by application of new technology of inside diameter controlling with vacuum method.
本文对真空法控制内径拉制成厚壁管状玻璃棒的生产中出现的问题进行讨论。
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.
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 effects of current velocity, sample volume, length and inside diameter of reaction pipe and shape on the dispersion of flow injection analysis system were in detail discussed in this paper.
本文详细地探讨和研究了载流速度、进样体积、反应管长度、内径与形状等因素对分散度的影响。
Girth flange bolting shall be of stud bolt type, threaded full length, and at least M16 for flange of 600 mm and smaller inside diameter and at least M20 for over 600 mm inside diameter flange.
翼缘法兰螺栓应为双头螺栓，螺纹为全长型，内径600mm或以下的法兰的螺栓至少为m 16，内径600 mm以上的法兰的螺栓至少为m 20。
The prepared core pipe with 75mm to 360mm of inside diameter and 7mm to 30mm of wall thickness can replace various paper core pipes, thereby having a wide popularization and application prospect.
用其制备成的内径75～360毫米、壁厚7～30毫米的芯管，可以取代现有各种纸质芯管，具有广泛推广应用前景。
Wax deposits can lead to reduce effective inside diameter of the pipeline, increase transport pressure, reduce capacity of the pipeline, more frequent pigging requirement and even potential blockage.
蜡沉积会减少管道的有效内径，增大输送压力，降低管道的输送能力，增加清管频率，甚至造成蜡堵事故。
On the producing process of the miniature metal halide lamp, due to its bulk, the measurement of its dimensions especially the inside diameter of the necks of the electric arc tube is very difficult.
在超小功率金卤灯生产中，由于受其体积限制，各种尺寸尤其是电弧管泡壳两侧缩颈处的内径测量一直是比较困难的。
Inside diameter micrometer micrometer plug gauge thread gauge digital calipers height gauge and other testing tools.
内径千分尺、千分尺、塞规、螺纹规、数显卡尺、高度尺等检验工具。
Inside diameter micrometer micrometer plug gauge thread gauge digital calipers height gauge and other testing tools.
内径千分尺、千分尺、塞规、螺纹规、数显卡尺、高度尺等检验工具。
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