any of various forms of aluminum oxide occurring naturally as corundum
双语例句
Metal aluminum films were deposited on AAO templates by radio-frequency magnetron sputtering. 用射频磁控溅射法在阳极氧化铝模板表面制备了金属铝膜。
Made from high flexible macromolecule, aluminum oxide, silicon carbide and cerium oxide, BK series wheels have good flexibility, wear-resistant and polishing efficiency. 它是由高弹性和高强度的高分子材料与很锋利的氧化铝和碳化硅以及氧化铈进行混合反应而制作。