以下为句子列表：
英文: Aiming at the existence of coal dust and gas in the coalmine environment and the special requirements of mine case explosion-proof surface process, the error conversion model, shape precision characteristics, transfer drawings, descriptive equation and er
中文: 针对煤矿井下煤尘和瓦斯存在的环境特性、煤矿井用箱体防爆面加工的特殊要求，采用控制理论的信息流图，对工艺过程中传统方块图进行简化，使繁杂的方块图解采用信息流图表示工艺过程的工序（变量）之间关系。
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英文: An introduction is given of the necessity, development background and market prospects for the development of the technology for circulating fluid-bed coal dust gasification under pressure, and emphasis is placed on the analysis of the key technology in t
中文: 摘要介绍了开发加压循环流化床粉煤气化技术的必要性、开发背景和市场前景，著重分析了示範装置设计建设过程中的关键技术及其解决措施。
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英文: An introduction was made to the dry distillation process of coal, anti-metal penetration mechanism of coal dust and influences of various physical-chemical properties of coal dust on its anti-metal penetration ability, view points on coal dust choice and
中文: 摘要介绍煤的干馏过程、煤粉在型砂中的防粘砂机理和煤粉的各项理化指标对其防粘砂能力的影响，以及选择优质煤粉的观点和方法。
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英文: It is necessary coal dust to inspect and evaluate comprehensively all physical-chemical properties of the coal dust, as well as to determine its anti-metal penetration ability by pouring a test specimen.
中文: 选择煤粉应通过全面的检测和评价各项理化指标，并通过试块浇注试验以确定其防粘砂能力。
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英文: Suppression of Coal Dust E plosion Propaga- tion with Damp-proof Stone Dust Barriers
中文: 防潮岩粉棚抑制煤尘爆炸传播
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