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華中科技大學：PZT-JH20/3型真空，空氣高溫壓電測試裝置投入使用!

華中科技大學：PZT-JH20/3型真空，空氣高溫壓電測試裝置投入使用!

Huazhong University of Science and Technology: PZT-JH20/3 vacuum, air high temperature piezoelectric test device put into use!

       Huazhong University of Science and Technology: PZT-JH20/3 vacuum, air high temperature piezoelectric test device put into use!