Curved member with trapezoid section
irregular trapezoid excision
Irregular Trapezoid Support
medial nucleus of trapezoid body
modified trapezoid acceleration motion
multistage trapezoid cascade
open trapezoid channel with curved bottom
Passage with trapezoid cross-section
steering trapezoid linkage
tearing strength by trapezoid method
the method of sewing up with trapezoid
trapezoid
梯形
梯
曲边
小多角骨
不规则四边形
不规测四边形
大多角骨
梯形体
棱形骨
trapezoid cross section
Trapezoid crown section