The formula of tube expanding force is deduced using the slab method.

采用主应力法推导圆管扩径时扩径力的解析式.

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Investigation on the generating ways of spiral flow in pipe.

圆管螺旋流输沙是新近提出的一种输沙方式.

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Objective To study flow characteristics at the entrance of curved pipe.

目的研究定常流动条件下弯曲圆管入口段内的流动情况.

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Pipe belt conveyor is a type of special belt conveyor.

圆管带式输送机是一种特种带式输送机.

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The mechanism under shearing about the cross - hole voided slab is set forth.

阐述了圆管式空心板横孔板的受剪机理.

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No quality round bloom , no quality seamless steel tube.

优质的圆管坯是生产高质量无缝钢管的前提.

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Some problems in the design of circular tubular joints are discussed in this paper.

本文探讨了圆管结构相贯节点设计中的若干问题.

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Relationship and control of axis sealing and internal pressure directly affects deformation process in tube hydroforming.

圆管液压成形过程中的轴向密封力与内压力的关系及控制直接影响到圆管的成形状态.

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Process of manufacture of welding production of ultra polygon round pipe is presented.

介绍了超多边形圆管的焊接生产加工工艺.

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The design principle of Discharge Meter by selecting the measurment point using precision analysis is expounded.

阐述圆管流(液流或气流)点速流量计的设计原理,通过精度分析选定测量点.

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The formula is therefore considered as available to the calculation of drawing force on tube sinking.

该计算式可用于圆管空拉拔制力计算.

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It is mainly used to repair the end surface of stainless pipes in all sizes.

主要用于各种规格的不锈钢圆管的端面修整.

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An indispensable tool for rotating tubes, bolts and nuts, as well as gripping holding flat plates.

作为旋转圆管 、 螺柱、螺母以及夹持平板比不可少的工具.

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Then, the variational trends of drag at the gas - liquid stratified flow in pipe have been studied.

首先研究了管道壁面附近掺气后,层流流动阻力的变化规律,然后研究了圆管中气液分层流动情况下.

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The circular tube belt conveyor is a new method for hoisting coal in a vertical shaft.

圆管胶带输送机是竖井提升煤炭的一种新方法.

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