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换热器的格子图尺寸和参数
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Concept building
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建筑图纸在蓝图建筑和建筑概念上滑动卡尺滚子轴承。
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Commercial Aircraft Mesh
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制图、鼠标和带螺母的螺栓
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Technical drawings
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工业制图
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Yellow hard hat and blueprints
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tools for engineering
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带工具的电气图纸
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Formula One Mesh
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工程图纸和工具
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Mechanical ratchets, drafting and mouse
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工具和机制细节
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Technical drawings in a blue toning
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绘图和各种细节
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Car 3d model on a black background.
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Car 3d model on a black background.
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3d car model on a black background
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女建筑师在办公桌前处理蓝图
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Car 3d model on a black background.
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Car 3d model on a black background.
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建筑蓝图的细节拍摄
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Car 3d model on a black background.
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一份草稿
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Car 3d model on a black background.
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计算器和笔
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Car 3d model on a black background.
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电子电路
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3d floor plan for real estate. Illustration floor plan. Color floor plan for marketing.
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技术图纸和带轴承的卡尺
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Car 3d model on a black background.
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管道和图纸,建筑静物
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3d car model on a black background.
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on the electric circuit there are tools, and safety locks of collars and wires.
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建筑蓝图的细节拍摄
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top view of architectural project of home interior design
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Abstract 3D building wireframe structure. Illustration construction graphic idea , Architectural sketch idea.
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机械棘轮和电脑鼠标
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Abstract 3D building wireframe structure. Illustration construction graphic idea , Architectural sketch idea.
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Female interior designer working in office with laptop. Architect thinks over architectural plan, searching new ideas for construction project. Woman sitting at workplace. Business portrait concept
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建筑图纸在蓝图建筑和建筑概念上滑动卡尺滚子轴承。
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Engineering drawings, protractor, notebook, term paper or diploma project. Applied mechanics
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Young male architect working at the project
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绘图、量角器、铅笔和圆规
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Old metal rusty folding ruler as used by carpenter. Isolated on white
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从上面构建发展
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blueprint of an old two-story apartment building on white paper, house drawing on paper, house plan, building drawing
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科技项目开发
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工具和机制细节
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工具和机制细节
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成卷的电气图和绘图附件
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电气图卷
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蓝色笔和黄色铅笔在起草
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房屋设计
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蓝图上的卡尺和千分尺水平关闭。
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在背景上绘制细节和圆规,特写
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工程工业设计
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技术图纸和带轴承的卡尺
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有指南针的人的手。机械工程师在工作。技术图纸。铅笔、指南针、计算器和手人。带有技术图纸和图表的纸。
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铅笔和圆规
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图上的量角器
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绘图和各种工具
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管道和图纸,建筑静物
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工程工业设计
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水和天然气的平面安装
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工程网络设计、技术解决方案
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工程师桌上的游标卡尺和图纸
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带工具的电气绘图
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工具和机制细节
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工程师工作场所在办公室
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工业绘图细节
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工具和机械的详细信息
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工具和机制细节
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磨刀器、铅笔和蓝图
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带有草图的工具和文件
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工程图纸背景
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工程图纸背景
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建设蓝图
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研究计划的年轻男性建筑师,特写镜头
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绘画
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最精致的细节
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技术图纸和带轴承的卡尺
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计划的女人
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建筑图纸和图纸卷和工作台上的绘图工具
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工业绘图细节
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绘图上的钢笔和卷尺
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建筑业建筑卷建筑计划项目
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一代计算机技术
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装修蓝图
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滚子轴承、游标卡尺、圆规、技术笔和图纸
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工具和机制细节