金刚石砂轮机械刃磨
mechanical grinding by diamond wheel
金刚石外圆切割片
diamond external cutting blade
六面顶金刚石压机
hexahedron synthetic diamond press
cubic diamond press apparatus
cubic hinge press
硼掺杂的金刚石薄膜
boron-doped diamond(BDD) film
boron-doped diamond BDD film
人造金刚石的发明
invention of artificial diamond
镶金刚石的圆锯
diamond-impregnated circular saw
形成金刚石结晶基元的相变
phase transition forming D crystallizing unit