“梯形”的拼音

“梯形”的英语可以翻译为：ladder-shaped，[数] [美] trapezoid，[英] trapezium，ladder type，echelon ...

梯形是具有两平行边的四边形.A trapezoid is a quadrilateral with two parallel sides.双梯形的试样将产生切变脱胶现象.A double trapezoidal specimen will generate shear debonding.阀杆上的短梯形螺纹适用于快速启闭操作.Stub acme thread on stem provides rapid open - close ope...