yttrium metals造句

• Unfortunately , there was still light pollution although technology was improved many times . to ensure environment protection , wanbao company decided to remove all the old product lines and reinstall the product lines of oxide electrolysis . the total set is 30 , and equipped with two 25kg vacuum induce stoves , the yield is 1400 mt per year . the main production are low - zinc low - magnesium lanthanum metal , low - zinc low - magnesium mischmetall , neodymium metal , didymium metal , yttrium metal , dysprosium metal etc
  多年来，万宝公司一直从事氯化物电解生产，虽经多次环保治理，仍有一定污染，为确保绿色环保生产，公司决定将原有生产线拆除，全部改装成氧化物电解生产，总台数为30台，年产量为1400吨，同时配备两台25kg真空感应炉。主要生产低锌低镁金属镧低锌低镁混合稀土金属金属钕镨钕金属