abbreviated drawing是什么意思 abbreviated drawing怎么读
abbreviated drawing的用法和样例
- The actual displacement between any two points may be determined by drawing a scale diagram with a ruler and a protractor, or by using simple trigonometry.
任何两点之间实际的位移可用比例尺和分度器画简图予以判断，或者使用简单的三角学计算之。
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