PROPORTIONAL CHARGE-OVER VALVE AND ITS APPLICATION TO φ140 SEAMLESS STEEL TUBE ROLLING MILL ( concluded )

Suitable and thin materials of steel tube.

适用于管材,圆钢,板材.

Presently, expansion concrete is widely applied to arch steel-tube-bridge.

目前微膨胀混凝土在钢管拱桥中广泛应用.

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.

Stress and metal flow in steel tube during sizing process were analyzed.

分析了定径过程中钢管内金属流动和弹复行为.

Introduced hot-rolling seamless steel tube to produce development trend of the technology.

介绍了热轧无缝钢管生产技术的发展趋势.

Carbon content is closely related with quality of the seamless steel tube.

碳含量的高低对无缝钢管的质量影响较大.

OBJECTIVE To protect line medical workers from being infected by SARS.

目的保护一线医务人员在工作中免受SARS病毒的感染.

Methods: The clinical data of 108 SARS in-patients were analyzed.

方法分析2003年3月11日至4月15日收治的108例SARS患者的临床资料.

SARS has infected 5,462 people worldwide and killed 353.

SARS已经在世界范围内感染了5,462个人,杀死了其中353个.

The study of SARS from philosophy of science is very significant.

从科学哲学角度研究SARS是十分有意义的.

Summer session was cancelled this year because of SARS.

今年的暑期课程因为SARS而取消.

Efforts must be made to bring about an all-round development of their ideology and cultural life.

要实现人们思想和精神生活的 全面 发展.

Health provides the foundation for people's all-round development direct bearing on happiness of each family.

健康是人全面发展的基础,关系千家万户幸福.

Morality and physique US labor's all-round development.-Elderly people sometimes say is right.

德智体美劳全面发展的选手 —— 老人们说的话有时确实是对的.

Four , all-round development of science and education , cultural , health, production and life improved.

科教文卫全面发展, 生产生活得到改善.

Sustainable development includes at least four aspects: perpetual development, all-round development, common development and orderly development.

可持续发展至少包含了永久发展 、 全面发展 、 共同发展和梯级发展四个层面的内涵.

Our aim is: " all-round development, quality assurance, reputation first, the price is reasonable. "

我们的宗旨是: “ 全面发展 、 质量保证 、 信誉至上 、 价格合理 ”.

The all-round development of human being ought be the development of the three dimensions together.

人的全面发展就是各个生存维度及各种因素的共同提高、和谐发展.

The primary school curriculum aims to provide a coherent and balanced programme to promote all-round development.

小学课程旨在提供一套连贯均衡的课程,以促进学童的均衡发展.

Student-centered, all the students, for all students, for students of all round development of students.

以学生为主体, 一切为了学生, 为了一切学生, 为了学生的一切,促进学生全面发展.