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The reason of refinery cooling equipment corrosion and begriming was analyzed .
对炼油厂冷换设备管束的腐蚀、结垢原因进行分析。
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His hands were begrimed with oil and dirt .
他的手被油和污物弄脏。
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To cover with black dirt or soot begrime .
使积满污垢被黑色污垢或煤灰覆盖，弄脏，沾污。
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The reason of concentration of malice lies in that there are evil and begrimed things in itself .
邪恶污秽的东西存在于自身，是怨恨集结的原因。
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His hands were begrimed with dust .
他的手沾满了灰尘。
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Use to simple chemistry cleanout means to get rid of the begrime in the work-surface of heating exchanger , in order to improve its thermal efficiency of using process .
用简单的化学清洗方法彻底除去换热器工作表面的积垢，提高其在使用过程中的换热效率。
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A miner 's begrimed face ; dingy linen ; grimy hands ; grubby little fingers ; a grungy kitchen .
矿工积满灰尘的脸；肮脏的亚麻布；肮脏的手；肮脏的小手指；肮脏的厨房。
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The diagnosis results show that air mass flow sensor begrime seriously and lead to bad heat conductivity and weak signal due to severe deposits and with a large amount of air flow , thus make gas mixture rare and lead to trouble .
诊断分析及修复结果表明，该车装备的旁通道热线式空气质量流量传感器因严重积垢使热传导性变差，导致大流量时其输出信号偏低，从而使混合气过稀是导致上述故障的原因。
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In view of the types of begrime , The analysis and comparison of the technology and efficiency of different descaling in passenger car bogie are made , the application prospect of the improvement technology of descaling in passenger car bogie is put forward .
针对客车转向架积垢类型，对客车转向架不同除垢的工艺和效益进行分析与比较，提出客车转向架除垢改进技术的应用前景。