可以用铜弯头和铜管。
弯头不得使用，除非在图纸上显示。
弯头应该用螺栓固定在湿井地面。
适合异径弯头双头成型加工需要。
Satisfy the forming requirements of two ends reducing elbow fitting.
应尽量少用长径异径对焊弯头。
Reducing long radius butt weld elbows shall be kept to a minimum.
本发明用于复合材料弯头的缠绕。
The invention is used for winding a composite material elbow.
局部减薄弯头与直管的极限载荷不同。
The limit load of local thinning elbow is different from the straight pipe.
减少弯头数量和采用大曲率半径弯头；
Reducing the number of bends and adopting large curvature radius bends.
推荐了实用的埋地弯头强度设计计算公式。
Practical strength design formulae for pipelines with elbows are recommended.
本文概述钢制对焊高压带直段弯头的开发。
This paper describes the development of high - pressure steel butt welding bends with straight ends.
解决了大型回转窑三次风管弯头的材料问题。
This material could be the best solution for tertiary air duct elbow lining occasions.
重新将安全阀软管接到底部法兰盖内的弯头上。
Reattach the relief valve hose to the elbow in the bottom flange cover.
本公司的生产基地在中国弯头管件之乡-沧州。
The company's production base in China's Rural Pipe Elbow - Cangzhou.
从进口球阀和安全阀上的弯头处拆卸感应管道。
Detach the sensing line from the inlet ball valve and the elbow on the relief valve.
管接头，弯头，水龙头连接器，三通，压接环。
进口弯头对分配集箱中的流量分配有较大的影响。
There is much influence of inlet elbow on the flow distribution in the dividing header.
按照生产工艺可分为：焊接弯头、冲压弯头、铸造弯头等。
According to the production process can be divided into: welding elbow, elbow stamping, casting of elbow.
对导叶弯头等特殊结构部件，应用有限元法确定了临界压力。
For special structural parts, such as guide vanes and elbows etc., the critical pressure has been determined by using the finite element method.
在所述旋转弯头上设有支承铰链，支撑铰链固定在回转架上。
A support hinge is arranged on the rotary elbow and is fixed on a reversing frame.
瓦斯管弯头的安设不仅消耗了大量材料，而且增加了抽放阻力。
The installation of gas pipe elbows not only consumes a great deal of materials, but also increases the drainage resistance.
买方在购买转换配件之前，要对弯头和导轨总装的兼容性验证负责。
The buyer is responsible for verifying compatibility of actual elbow and rail assembly prior to purchase of conversion kit.
针对喷淋式冷凝器中u形弯头结构不合理的问题，提出相应的改进方案。
Some improved plans were proposed for the unreasonable structure of the U-shaped bends in the spray condensers.
本文以空间木制楼梯扶手弯头为研究对象，叙述了该成组夹具的设计方法。
With aerial wooden stair handrail elbows as the object of study, the design method of relevant group fixture is stated.
介绍了一种利用管状单曲率多面壳体液压胀形制造薄壁管道弯头工艺方法。
This paper presents a method to manufacture pipe elbows by hydro-bulging a tubular single-curvature polyhedron.
文末用算例说明了水平弯头的曲率半径和弯头夹角对管道内力、位移的影响。
Examples are given at the end of the paper to show the influence of the horizontal elbow radius and Angle on the pipeline internal forces and displacements.
本实用新型提供了一种钢管弯头下料器，它是由量角器、尺条和紧固件组成。
The utility model provides a baiting unit for a steel pipe bend, comprising an Angle meter, a ruler bar and fasteners.
结果显示，烟气流经换热器内部，在管子弯头处较直管段处容易出现低温腐蚀。
The result shows that when flue gas flow through the heat exchanger, the elbow part of pipe is easier to suffer low temperature corrosion than the straight part.
结果显示，烟气流经换热器内部，在管子弯头处较直管段处容易出现低温腐蚀。
The result shows that when flue gas flow through the heat exchanger, the elbow part of pipe is easier to suffer low temperature corrosion than the straight part.
应用推荐