视最大高度最大视高度
apparent maximum altitude
金刚石大单晶
diamond large single crystal
金刚石-金属复合薄膜
diamond - metal composite film
金刚石—金属复合薄膜
diamond-metal composite film
细粒度金刚石
wear resistance of matrix
针状硬质合金－金刚石复合型钻头
drill bit of impregnated diamond and tungsten carb
大刚度高强度支护
large rigidity and high strength support