The author compares the technological performances of different wires and points out the application prospect of the steel-core aluminum contact wires.
文中对几种导线的技术性能作了比较，最后还指出了钢铝接触线的运用前景。
The functions of the driving mechanism directly affect drilling efficiency, borehole quality and other technological performances of the drilling machine.
钻机给进机构性能的好坏直接影响钻探效率、钻孔质量的高低和钻机其他技术性能的发挥。
By the float zinc experiment of refractory zinc minerals in Dulong, using more simple technological process, proper technical performances were obtained.
采用较简单的工艺流程对都龙难选锌矿物进行浮锌试验，取得较好的技术指标。
The pulverizing mechanism, mechanical structure as well as its technological parameters and tested performances have also been presented in the article.
文章介绍了该机的粉碎原理、机型结构以及主要的技术参数和实测性能。
The tire's construction design, formulating of recipe, major technological conditions and products' performances, as well as its social and beneficial results have also been presented in the article.
介绍了轮胎结构设计、配方设计、主要工艺条件等研究内容，以及产品性能、社会经济效益等方面的情况。
This paper introduces the performances of the gravity heat pipe manufactured by the institute, and several key technological problems met in the course of manufacture.
介绍了所研制的重力热管的性能，以及在研制中遇到的几个关键技术问题。
In this paper the application and recent developments of heap leaching technology abroad are pre sented, and the main technological and economic performances of heap leaching operations are listed.
本文简要介绍国外堆浸技术的应用情况和最近的进展，详细列举了部分堆浸矿山的技术经济指标。
The effect of the technological conditions such as molding method, raw material proportioning, pugging times and sintering system on the performances of porous permeable bricks was studied.
研究了成型方法、原料配比、成型压力、练泥遍数及烧成制度等工艺条件对多孔透水砖性能的影响。
The technological design for 03Al trace carbon automobile steel plate is expounded according to the requirements of its performances and the compositions.
根据微碳汽车钢板的性能及成分要求，阐述了该钢板的生产工艺设计。
In this paper, the criteria for flowsheet selection, technological principle metallurgical performances product quality and economical benefit are emphatically discussed.
本文着重论述了其流程选择的依据，工艺原理，试验取得的工艺指标，产品质量及经济效益。
In this paper, the criteria for flowsheet selection, technological principle metallurgical performances product quality and economical benefit are emphatically discussed.
本文着重论述了其流程选择的依据，工艺原理，试验取得的工艺指标，产品质量及经济效益。
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