isosceles trapezoid
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英 
例句
A annular flow passage is divided by isosceles-trapezoid-like baffle blocks, suction inlets and outlets are provided on both sides.
环形流道由类似等腰梯形的隔板挡块分割开来,两边分设吸入口和排出口。
The Design of Isosceles Trapezoid Welded Pipe Roll
等腰梯形焊管孔型设计
Method of camera self-calibration based on isosceles trapezoid
一种基于等腰梯形的摄像机自标定方法