以下为句子列表：
英文: Applying the technology of smooth blasting, the complete section of the Ⅲ surrounding rock and the half section of the broken and the Ⅱ surrounding rock have been excavated at the obverse step.
中文: 利用光面爆破技术，Ⅲ类围岩全断面一次开挖，Ⅱ类围岩和断层破碎带半断面正台阶开挖。
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英文: The part represented by the polygon of the half section profile in its axis plane and cutter's trajectories for recording and arranging machining errors data are presented based on the analysis of the geometrical characteristics of the part and machining
中文: 摘要根据车削加工工件的几何外形和成形特点，提出了包含加工误差信息的回转体类工件半剖轮廓多边形建模方法和记录、组织加工误差信息的刀具轨迹法。
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