Draughtsmen make drawing on a drawing board, using a pencil and a t-square, set square and scale . 绘图员用铅笔、丁字尺、三角板和比例尺在绘图板上绘图。
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Drawing ruler - triangle set square 绘图仪尺.三角尺
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Draughting instruments with or without graduation . part 3 : set squares 带刻度或不带刻度的绘图仪器.第3部分:三角板
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Jaws and teeth strong with regular scissors bite , set square to the jaw 腭部和牙齿由于剪状咬合显得强有力，并保持了腭部的方型。
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Jaws / teeth : jaws strong with perfect , regular and complete scissor bite , i . e . upper teeth closely overlapping the lower teeth and set square to the jaws 颌/牙齿；颌结实，正常咬合、整齐且完全，即上、下颌紧密重叠并成方形。
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Jaws / teeth : jaws strong with perfect , regular and complete scissor bite , i . e . upper teeth closely overlapping the lower teeth and set square to the jaws 颌/牙齿；颌结实，剪咬合自然、整齐且完全，即上、下颌紧密重叠并成方形。
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Experts are based on nearsighted root cause of teen - agers in tsinghua with square sight , from controlling the nearsighted headstream " replenishing an eye part with nutrition , promoting eye inner microcirculation and organizing an assimilation of the new and excretion of the old , effective laxation thereby and eliminate looking at upper weary " thorough analysis , union chinese medical science tradition medicine brings cream of eye under control , science develops out composition tsinghua set square , successful and method ( new visual field ) looks at kang yi physical therapy " tsinghua ( eye doctor ) looks at the well - being note " 清华同方的视力专家们根据青少年近视的根本原因，从控制近视的源头? ? “补充眼部营养、促进眼内微循环及组织新陈代谢，从而有效缓解及消除视疲劳”上深入分析，并结合祖国医学传统药物治眼之精华，科学组方，成功地研制出配合清华同方视康仪物理疗法的“清华视康帖” 。
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