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The pump casing, impeller, backplate seal housing and stationary base elbow shall all be manufactured of (ASTM A743 Grade CF-8M stainless steel)(ASTM A743 Grade CD4MCu duplex stainless steel).

泵壳,叶轮,后板密封壳和固定底座弯头都应该采用(美国材料试验协会标准ASTM A743级别CF-8M不锈钢)(ASTM A743级别CD4MCu双炼不锈钢)制造。

After knowing the structure nature frequency, optimize the structure, such as disposal the point of support, reduce the number of elbow, change the thickness of pipe, setting the dilatant and so on, which offer a basic to avoid resonance.

当知道结构固有频率后,便可以通过优化结构,例如重新布置支点、减少弯头数、改变管的厚度、设置膨胀圈等方法,改变结构的固有频率,为避开共振频率打下基础。

It is important to study the strength of the pipe elbow.

管道弯头的强度研究是个很重要的问题。

However,the elbow thickness is varied with the bending radius and ellipticity on the cross section.

目前对弯头的受力分析大都近似将其看成是受内压的压力容器来考虑[1],并且不考

Owing to the effect of stress hardening and Bauchinger, the mechanical properties at the intrados and extrados of the elbow are obvious different.

但由于应变硬化和鲍辛格效应的影响,使该弯头外弧和内弧力学性能存在明显差异。

In addition, the impact of the size of the calculated value of the resistance water pipe head loss, therefore, should adopt the arrangement of the shortest line, and as little as possible, such as elbow fittings installed, it may consider appropriate with larger diameter water pipes to reduce the flow tube.

另外,影响计算值的大小是吸水管道的阻力损失扬程,因此,宜采用最短的管路布置,并尽量少装弯头等配件,也可考虑适当配大一些口径的水管,以减管内流速。

2D ketch ; 3D ketch ; Solid modeling ; Intelligent dimension ; Round pipe elbow

2D草图; 3D草图;实体造型;智能标注;圆管弯头

The flow model of single phase flow in the elbow of the vertical tubular leacher was studied by using NaCl solution tracing and microcomputer sampling.

用盐水示踪、微机采样来研究垂直管道浸取器回弯头内单相流的流动模型。

This method also applies to production of lofting elbow. Therefore it has more powerful of practicability.

该方法同样适用于弯头的制作放样,具有较强的实用性。

This method elbow lofting quality and efficiency turbine guide vans, have practical using value, so it can be a reference for the people concerned.

该方法提高了弯头的放样质量和效率,具有实际使用价值。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。