asbestos fibres

• Ambient air - determination of asbestos fibres - indirect - transfer transmission electron microscopy method
  环境空气.石棉纤维的测定.间接传递电子显微镜法
• Ambient air - determination of asbestos fibres - direct - transfer transmission electron microscopy method
  周围环境空气.石棉纤维的测定.直接传递透射电子显微法