绘图员用铅笔、丁字尺、三角板和比例尺在绘图板上绘图。
Draughtsmen make drawing on a drawing board using a pencil and at-square set square and scale.
我们所编制的绘图系统，可广泛、灵活、方便地适应于绘制各类数据、各种比例尺的等值线图。
The mapping system that we draw up can be widely, flexibly and conveniently applied to drawing contour maps of various data 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。
Draughtsmen make drawing on a drawing board, using a pencil and at-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。
Draughtsmen make drawing on a drawing board, using a pencil and at-square, set square and scale.
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