This paper discusses production technique, development prospect of carbon nanotube, and research direction and new tendency at home also introduces.
本文对碳纳米管的生产技术、发展前景进行了论述，并阐述了国内碳纳米管的研究方向及最新动态。
The direct and indirect liquefaction technology can be used usually for petroleum production from coal. Its development tendency and industrial situation were discussed.
煤制油通常有直接液化和间接液化，论述了煤的液化合成液体燃料的开发趋势和工业化状况。
The current status of screw pump production, development tendency and producing principle of screw pump are summarily introduced in the thesis.
本文概括性地介绍了螺杆泵采油现状、发展趋势、螺杆泵的采油原理。
Present status of production and consumption of PET industrial fiber both at home and abroad are introduced. The market prospect is analyzed and tendency of development in China is forecasted.
介绍了国内外涤纶工业丝的生产及消费现状，分析了涤纶工业丝的市场前景，预测了我国涤纶工业丝行业的发展趋势。
The production of hot rolled sheet for automobile beam was emphasized. Meanwhile, the existing problems of production were analyzed, and the development tendency was prospected.
重点介绍了热轧汽车大梁的生产状况，并对热轧汽车板生产中存在的问题进行了分析；
The production of hot rolled sheet for automobile beam was emphasized. Meanwhile, the existing problems of production were analyzed, and the development tendency was prospected.
重点介绍了热轧汽车大梁的生产状况，并对热轧汽车板生产中存在的问题进行了分析；
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