专业释义英英释义
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煤核 - 引用次数：2 参考来源 - 中国二叠纪煤核中具解剖构造的鳞木类植物:似封印叶属 Anatomically煤层石球
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煤层石球煤核煤结核
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煤球
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煤核
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Coal ball
- abstract: A coal ball is a type of concretion that is found in coal seams and consists of plant debris (peat), which has been permineralised by calcite. Coal balls vary in shape from imperfectly spherical to flat-lying, irregular slabs.
以上来源于: WordNet
双语例句权威例句
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This paper briefly describes the present situation of sound insulation ways universally adopted in steel ball coal mill and the noise intensity released during operation.
简述目前钢球磨煤机普遍采用的隔声方式及其运行过程中释放噪声强度的现状。
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A kind of waste heat treated low alloyed cast iron for making grinding ball in a coal grinder was studied.
研究了一种可用冲天炉生产的煤粉磨机磨球用低合金余热淬火耐磨铸铁。
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We present a composite extreme value control problem of the coal powder ball fanning mill, and propose a simulating human-behave intelligent fuzzy control algorithm.
提出了煤粉球磨机综合极值控制问题，研究了将仿人智能控制与模糊控制相融合的智能控制算法。
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