选材的例句大全

The structure, material, strength calculation and welding seam structure of pre reformer are introduced.

介绍了预转化炉的结构 、 选材 、 强度计算及焊缝结构.

Then, attitudes changed and artists were given greater freedom in their choice of subject matter...

于是，随着人们态度的转变，艺术家们在选材上获得了更多的自由。

The result showed that vermicular iron was the optimum material for braking components.

研究结果表明:蠕墨铸铁是制作制动部件的合适选材.

They continued to play very little part in their mother's political life, and were never hawked about the streets canvassing.

他们与母亲的政治生活基本上没有什么关系，从来没有在大街上散发过竞选材料。

Heat rate Reducing, condensate overcooled removing, vacuum improving, reasonable material selecting and reasonable availing of the cooling area are contents to reengineer and design for improving the thermal efficiency of middle/ large scale steam turbine.

降低热耗、消除凝结水的过冷现象、提高真空、合理地选材和冷却面积最有效地合理利用是当今改造、设计，提高中、大型汽轮机组热效率的内容之一。

The principles of choosing grinding media for wet milling porcelain tile body

浅谈湿法球磨瓷质砖坯料的研磨介质选材