base copper造句

• Specification for flame resistant aluminum base copper - clad laminated sheets
  阻燃型铝基覆铜箔层压板规范
• Ceramics base copper - clad laminates
  陶瓷基覆铜箔板
• Metal base copper - clad laminate
  金属基覆铜层压板
• Preparation of chitosan schiff base copper complexs and their catalytic properties
  壳聚糖希夫碱铜配合物的制备及其催化性能
• Using micro - scale or nano - scale schiff base copper compound or schiff base as lubricating medium
  碱铜络合物在润滑油介质中的现象
• Arsenic in a copper concentrate can be rapidly determined by atomic fluorescenc , accompanied with less interference from base copper
  摘要用原子荧光光谱法可快速测定铜矿样中的砷，且基体铜干扰小。
• Western diplomat estimates that direct benefits to the state from mining totalled a paltry $ 32m last year , though congo - based copper - mining companies alone have made hundreds of millions on stockmarkets in recent months
  据一位西方外交官的估计，政府去年在采矿业上的直接收益总额是三千二百万美元，而一家刚果的铜矿开采公司近几个月在股市上就赚取了好几个亿的美元。