以下为句子列表：
英文: 383 what is the feature of this cracker (cracking furnace, heating furnace, reactor, mixer, centrifuger, belt-conveyer) ?
中文: 这台裂解器（裂解炉、加热炉、反应器、搅拌器、离心机、皮带输送机）的特点是什么？
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英文: A boiler tube cracked after only one month service. This kind of ephemeral cracking behavior was studied in this paper using optical microscope.
中文: 摘要锅炉管在使用一月后，发生爆裂，使用金相显微镜对这种短期的爆裂行为进行了研究。
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英文: A pilot test was carried out on a fixed-bed reactor for catalytic cracking of hydrocracking bottoms over self-developed catalyst.
中文: 摘要以加氢尾油为原料，在固定床反应器上利用自制催化裂解催化剂进行中试试验。
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英文: A: The police are cracking down on illegal parking.
中文: 警察正在取缔违规停车。
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英文: Abstract: Latest progress in oil refining catalyst techniques abroad was reviewed, including FCC, hydrofining, hydrotreating, hydrocracking and catalytic reforming catalysts, with emphasis on new products of some representative producers of oil refining c
中文: 文摘:以国外炼油催化剂生产具有代表性的大公司推荐的新产品为例，综述了催化裂化、加氢精制、加氢处理、加氢裂化和催化重整五类石油炼制催化剂的技术发展近况，并列举了部分应用实例。
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