研究目的：通过理论研究，对无碴轨道施工平面控制测量的主要技术标准提出适宜的建议。
Research purposes: Through the theoretical research, this paper puts forward some suitable suggestions on the main technical standards of horizontal control survey for ballastless track construction.
而《金属工艺学》作为一门综合性技术课，既具有理论性，又具有实践性，非常适宜设置技能训练课。
Metal and Technology Science, as an integrated course, exists both practice and theory, and it is suitable to set up the course.
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