石英

• Shi ying belonged to the best set in our school
  石英属于我校最优秀的一批人。
• Testing method for optical - grade synthetic quartz crystal
  人造光学石英晶体试验方法
• Test - fixture of surface mounting quartz crystal units
  表面安装石英晶体元件的试验台
• Transparent quartz glass tubes for semiconductor technology
  半导体用透明石英玻璃管
• In 1968 , prototype quartz crystal watches were introduced
  1968年推出样机石英手表
• The rule of type designation for quartz crystal units
  石英谐振器型号命名方法
• Gold ore main type is auriferous quartz vein type
  金矿床主要为含金硫化物石英脉型。
• Designers of custom instrumentation for high - tech industries
  -生产石英电子压力计。
• Test methods for thermal stability of silica glass
  石英玻璃热稳定性检验方法
• The experimental method in devitrification of silica glass
  石英玻璃析晶性能试验方法