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用电视机频道选台开关改换极谱仪倍率开关云南会泽铅锌矿技术监督处（０５４２１１）朱济仁示波极谱仪是一种用现代电子学方法来获得极谱曲线、对溶液作定性定量分析的实验仪器。该仪器具有精度较高，量程宽、稳定性及重现性较好的特点，所以成为了医疗卫生、地质、冶金、...
TV channel selector switch to change the polarography magnification switch Yunnan Huize lead-zinc mine Technical Supervision (054211) Zhu Jiren oscillopolarography is a method using modern electronics to obtain polarographic curve of the solution for qualitative Quantitative analysis of experimental equipment. The instrument has high accuracy, wide range, good stability and reproducibility characteristics, it has become a medical and health, geology, metallurgy, ...