The weld residual stress by PWTH is discussed in order to prove that PWTH can really improve the distribution of stress.

残余拉应力区宽度变大。 文中还给出了焊后热处理后的应力大小情况，以证明焊后热处理能改善应力分布。

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The guide wall of oxidation ditch can improve the distribution of flow velocity on downstream section and reduce resistance at bend.

氧化沟弯道处设置导流墙以改善水流流态，提高氧化沟的运行效果。

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The results show that, in hypoeutectoid steels, deformation at medium temperature may fine the structure and improve the distribution of ferrite and pearlite greatly;

结果表明，对于亚共析钢，在中温区变形、保温后可使先共析铁素体和珠光体组织大大细化，显著改善钢中铁素体和珠光体的分布状况；

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A spokesman says relief workers hope to improve the process of water distribution, and that they desperately need more food,tents, and medical supplies.

VOA: standard.2010.02.02

The Essmart team proposes to create a logistics infrastructure that will improve the distribution of critical products and goods for low-income households in India.

FORBES: Let's Stop Overlooking Systems Innovations

Since the earliest days of our country, guns have been relatively readily available, and there's no need to compromise that to improve the safety of our gun distribution infrastructure.

CNN: On gun control, two places to start

First, and most important, agencies are to utilize, to the extent permitted by law, the Statement of Energy Effects in their decisionmaking to improve the quality of agency actions affecting energy supply, distribution, or use.

WHITEHOUSE: Memoranda 01-27 (Guidance for Implementing E.O. 13211)