超大口径的采用旋压加工。
大口径的MT 4主轴。
陕京管道是我国第一条长距离、大口径的高压天然气管道。
Shaanxi-Beijing pipeline is the first long-distance, large-diameter, high-pressure natural gas pipeline in China.
通常在与球体的上、下轴上装有轴承，操作扭距小，适用于高压和大口径的阀门。
Usually with the ball in the upper and lower shaft with bearings, operating torque, suitable for high pressure and large diameter valves.
这个与众不同的彩虹石油乌克兰的小伙安顿·简克武用一个大口径的相机拍摄的。
The unusual sighting of the horizontal rainbow was captured by Ukranian snapper Anton Jankovoy - using a camera set up with a large aperture to 'soak up' as much light as possible.
针对被测镜大口径的问题，采用了扫描的方法，这样可以测量被测镜不同位置的焦距。
For large aperture lens, scanning method was developed to measure the focal length in different locations within the mirror.
有的公司为了增大冲厕时的冲力，投入巨额资金研发大口径的虹吸式电磁阀作下水阀。
Some company for enlarging blunt Ci of momentum, devotion a huge sum of funds development big caliber of the Hong absorb type electromagnetism valve make watering valve.
和美国类似的飞机相比，它也带了更大口径的加农炮而不是机关枪，这给了它更强大的火力。
It was also armed with cannon rather than the machine guns of equivalent American aircraft, giving it much greater firepower.
为了隔离后向反射激光以及激光器多程放大系统中的寄生振荡，需要研制一种大口径的电光开关。
To isolate the retroreflections from the target and the self-oscillation in multipass amplifier system, the large-aperture electro-optical switch is required.
对于较大口径的管道，则可通过用环绕在管道外壁的绳索固定的“拖拉”或者杠杆将管道组对起来。
In larger sizes, force pipes together by means of a "pull lift" or lever hoist attached by slings around the outside of the pipes.
这个马卡-牛反的设计提供大口径的高消色差性能并伴有优异的视场矫正。望远镜采用了坚固的镜体。
The Mak-Newtonian design provides large aperture apochromatic performance with exceptional field correction in a compact, affordable package.
在全国层面和省区层面有着较大普遍性的优选方案是15年后实行中口径或大口径的一代独生子女政策。
The best selection both for the whole country and for the sub-regions is the case of "middle or large specifications of one couple one child for one generation fertility policy for another 15 years".
实力雄厚的国际财团将直升飞机、夜视镜、含有镇静剂的飞镖以及大口径消音枪都投入到了捕猎中。
Powerful international syndicates, using helicopters, night-vision goggles, tranquilliser darts and silenced heavy-calibre guns have got into the game.
于是，机场警察打开她的皮箱，发现里面有一个设计得像一本精装书的盒子，盒子里里面有一支单发的柯尔特式大口径自动手枪。
Inside the tote bag deputies found a gun case, designed and manufactured to resemble a hardbound book, containing a single-shot Colt derringer.
大口径机炮将分为两种不同的种类，分别特化了远距离和近距离战斗。ꘀ。
High caliber cannons will come in two very different kinds, suited for long and close range fighting respectively.
该产品适用于贮罐容器和大口径管道的保温。
The product is suitable for storage containers and large diameter pipe heat preservation.
点传火技术是大口径火炮装药中的关键技术之一，现代火炮装药中几乎全部选择了中心点火的结构形式。
The technology of ignition and flame spreading is one of key technology of charge design in large caliber guns, which almost chose center core igniter system.
计划于1986年送入轨道的空间望远镜将是第一个大口径、长寿命、多功能的轨道天文台。
The Space Telescope observatory to be launched into orbit in 1986 will be the first, long-lived, versatile orbiting observatory.
在上面一支大口径管，会把呼出的气体收集到塑料袋中用来分析。
It holds a wide tube that will route my exhalations into plastic bags for analysis.
它的深入研究，将为大口径非球面精磨和初抛光阶段提供一种有效、可靠的定量检测手段。
The further research may provide an effective and reliable quantitative testing method for the exact-grinding and initial polishing of aspheric surfaces.
提出了大口径机枪的动态稳定性概念，并对其原理、理论建模方法及模型、实验分析方法进行了系统研究。
The dynamic stability concept of large caliber machine gun is proposed, and its principle, theoretical modeling method and experimental analysis method are systemically studied.
潘君骅。大口径红外成像系统的光学设计。
The methodic design of the IR imaging system with large aperture.
介绍了用五棱镜法检测大口径光束平行度的原理。
The detection concept for large diameter beam parallelism with penta prism is introduced.
扫描镜是光机扫描型空间遥感器的重要组成元件。文章针对目前空间遥感器上应用的大口径轻量化扫描镜，从材料和制作方法方面进行了一定的技术研究。
The scan mirror is an very important part of a space remote sensor. This paper discusses the material development and the manufacture method of the big lightened scan mirrors.
本文介绍一种全凭手工切割大口径锗单晶的切片方法。
The method to slice large diameter Ge crystal by hand is shown.
提出微透镜阵列与转镜相结合的大口径激光光束扫描方法。
A large aperture laser beam scanning method by combining microlens arrays with rotating mirror is put forward.
对于执行高强度训练和作战任务的大口径火炮而言，故障预测技术是实现预知维修，提高火炮战备完好性和任务成功性的有效手段。
The fault forecast technology is an effective means to improve the combat readiness and mission reliability for large caliber guns that often carry out high-strength training and battle tasks.
以京唐港地区地质条件为模型，对大口径井点降水进行了详细的分析，对大口径井点降水在实际工程应用具有理论参考价值。
Taking the geological condition in the harbour district Jingtang Port as the model, the detail analysis on lowering water level by large diameter well point are given in the paper.
全位置自动焊接技术的特点是，焊丝可以连续送进，焊丝熔敷速度快，焊接质量较高，尤其适用于大口径、厚壁管的焊接。
This welding process, with continuous welding wire feeding, fast deposit speed and quality welding pass, is especially suitable for long distance pipeline with large diameter and thick wall.
全位置自动焊接技术的特点是，焊丝可以连续送进，焊丝熔敷速度快，焊接质量较高，尤其适用于大口径、厚壁管的焊接。
This welding process, with continuous welding wire feeding, fast deposit speed and quality welding pass, is especially suitable for long distance pipeline with large diameter and thick wall.
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