• 研究硫酸氟化氢化液酸度、黑化液温度时间质量影响

    The influence of ammonium molybdate, cobalt sulphate, ammonium bifluoride, acidity of blackening bath, blackening bath temperature and time on film quality were studied.

    youdao

  • 研究硫酸氟化氢化液酸度、黑化液温度时间质量影响

    The influence of ammonium molybdate, cobalt sulphate, ammonium bifluoride, acidity of blackening bath, blackening bath temperature and time on film quality were studied.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定