drawing compasses 中文意思是什麼
drawing compasses
解釋
制圖圓規。-
Aim at lacking a kind of method for drawing intersecting lines efficiently in the petrochemical engineering construction, invented a kind of compasses that can draw the opening curve on the non - flat container wall
摘要針對石油化工設備建造中，缺乏一種高效的器壁開孔畫曲線方法的問題，研製了一種能在非平面器壁上畫開孔曲線的畫線規。
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