Coal tar processing is one of the most important areas of coal chemical technology and a main intermediate ring binding coal mining, metallurgy and chemical industry.
煤焦油加工是煤化工的重要内容之一，与煤炭、冶金和化工等行业密切相关，在世界范围内已有相当规模。
The pump comprises mainly of pump body, cover, impeller, shaft, seal ring, intermediate support, sealing and suspension assembly, etc.
泵主要由泵体、泵盖、叶轮、轴、密封环、中间支架、密封和悬架部件等组成。
The intermediate dye can then undergo an acid catalyzed ring opening to produce a colored dye form.
然后中间体染料可进行酸催化的开环，以产生有色染料形式。
The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst.
第二步，在金属钾催化条件下，使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。
The calculated results show that the aza Wittig reaction is a two step reaction, having one four membered ring intermediate on its reaction surface.
计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。
Aerospace - Airframe spherical roller bearings, single-row, self-aligning, sealed, extended inner ring, intermediate duty - Inch series.
航空航天。飞机机架用中等负荷扩展内圈单列自位密封球面滚柱轴承。英尺系列。
In this thesis, the expression of stress modification coefficients will be given when the intermediate stiffeners are set on the ring-stiffened cylindrical shell.
本文推导了加设中间支骨的环肋圆柱壳应力修正系数公式。
In this thesis, the expression of stress modification coefficients will be given when the intermediate stiffeners are set on the ring-stiffened cylindrical shell.
本文推导了加设中间支骨的环肋圆柱壳应力修正系数公式。
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