常見例句雙語例句The author improved the method of appending roughness, and by silk-screen method appended the specific space roughness to the leading-edge of swept wing.改進了添加粗糙帶方法，使用絲網(wǎng)印刷方式在后掠機翼前緣添加特定間距的粗糙帶。 返回 silk-screen method