钨

• Stellite 6 hardfaced cf8m wedge is also available
  也可选用一个钨铬钴合金硬面的cf8m楔板。
• The bullet is made of wolfram carbide , strong and durable
  扩管头为碳化钨材质，永不磨损。
• Electrochromic properties of doped tungsten oxide thin films
  掺杂氧化钨薄膜的电致变色特性
• Tungsten powder , high specific gravity tungsten alloy material
  高比重钨基合金材料,钨零件等
• Platinum alloys - determination of tungsten content
  铂合金中钨量的测定