英语语法分析

estrade

n. 讲坛，房间中高起的部分；台子

n. （Estrade）人名；（法、西、葡）埃斯特拉德

例句

The punching failure cone of comer column is approximately 1/4 round estrade, that of border column is approximately 1/2 round estrade and that of center column is completely one round estrade.

角柱冲切破坏锥体近似1/4圆台体，边柱冲切破坏锥体近似1/2圆台体，中柱冲切破坏锥体为一个完整的圆台体。