管道中的

This paper introduces pressure pipe TIG welding(Argon tungsten -arc welding),and resolves successfully the problem that the faults easily occur on the back of the head in the weldi ng by using the method of reversed wir e feeding.

介绍了压力管道 TIG焊，用反向送丝的方法成功地解决了焊接中焊道背部易出现缺陷的问题。

The last part introduce the configuration prefabricat form of the heat preservation pipe,the problems should be adverted in doing with the node and setting of the design buried pipe.

最后一部分介绍了预制保温管的结构形式，直埋管道节点处理和设计安装中应注意的问题。

The steel used in the pipes, however, is usually alloyed with cobalt to make it stronger.

但用来制造管道的钢中通常掺入了合金成分钴来增强材料的强度。

Their compact size allows for easy installation and use in crowded piping compartments.

这种紧凑的结构可以容易地安装在拥挤的管道部件中。

In the machinery industry, the sodium citrate is widely used for replacing sodium cyaniding to clean the metal surface of heat exchanger metal surface and the chemical pipeline, because of its nonpoisonous, no pollution, high combine performance , it is good buffer and complexing agent in the electroplate industry.

在机械造业中，柠檬酸纳由于无毒、无污染，高整合性能，因此广泛用于替代氰化钠，处理金属表面热交器和化工管道的清洗剂，是电镀工业良好的缓冲剂和络合剂。

So it decries China's ", string of pearls"(roads, pipelines and ports being built in friendly countries around the Indian Ocean) as a provocation.

因此，印度谴责中国的&珍珠链战略&是一种挑衅。后者在印度洋沿岸的友好国家中修建了许多道路，管道和港口。

So it decries China'"string of pearls"(roads, s pipelines and ports being built in friendly countries around the Indian Ocean) as a provocation.

因此，印度谴责中国的&珍珠链战略&是一种挑衅。后者在印度洋沿岸的友好国家中修建了许多道路，管道和港口。

The company said, 2,377 of the 4,640 vehicles have defective panels to protect fuel pipelines.

该公司表示，在4640车辆中有2377辆存在缺陷的保护燃料管道的控制板。

Specify the pipelines for trading partners to use in your business process.

指定贸易合作伙伴要在您的业务流程中使用的管道。

Results During the period of 1992 to 2004, a number of 41 acute sulfureted hydrogen poisonings occurred in Shanghai with 132 workers poisoned and 46 workers died (34.8%); acute sulfureted hydrogen poisoning showed an increasing tendency, which mostly occurred during the work of sewage pipe dredging in the city planning projects; 68.3% of acute sulfureted hydrogen poisonings occurred in the confined spaces, which was 2.2 times of that in the non-confined spaces.

结果 上海市1992~2004年间共发生急性硫化氢中毒事故41起，造成132人中毒，其中46人死亡，病死率34.8%；1999~2004年，硫化氢中毒呈现上升趋势；硫化氢中毒多发生在市政污水管道疏通或窨井污物清理等作业中；68.3%的硫化氢中毒发生在密闭空间，是非密闭空间的2.2倍。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。