The result shows that the fracture has appeared fatigue feature, with initiation sites at the root grooves of the spline of the shafts.是什么意思_The result shows that the fracture has appeared fatigue feature, with initiation sites at the root grooves of the spline of the shafts.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句