Need a break? Play the USA TODAY Daily Crossword Puzzle. The game will be televised in Northern Nevada on KNSN (Ch. 21) and on the radio at 95.5 FM. CBS Sports Network will televise the ...

摘要作为当前市场占有率最高的压电陶瓷致动元件，共烧型堆叠陶瓷致动器（MLA）凭借低驱动电压、高位移精度、快速响应速率、高集成度等优势，在航空航天、生物检测、消费电子产品、精密加工和激光通讯等高新科技领域发挥着关键作用。 【仪表网 研发 ...