在工程设计领域，CAD技术的应用大大提高了设计及绘图效率。
In the field of engineering design, CAD technology greatly enhanced the efficiency of design and graphics.
SBT系列导轨绘图桌设计先进，制造精良，精度高、质量好，是工程设计人员的理想绘图机械。
SBT series slide way draught machine design is advanced, fabrication is excellent, accuracy is high, mass is easy to be ideal plotting of project planner machinery.
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