grain-oriented'ɡrein'ɔ:rientidBNC²³⁶²¹³⁺¹ 基本例句 adj.冶金学钢晶粒定向的；晶粒取向的 With excellent magnetic properties and punchability, the glassless grain-oriented silicon steel has been used in large rotary machines. 无底层取向硅钢具有良好的磁性能和加工性能，已在大型旋转电机领域获得应用； chinametaldigest