... strong magnetic film revolution speed transducer 强磁性薄膜式转速传感器 strong-motion instrument 强震仪 strouhal number 斯特罗哈尔数 ...
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direct record strong motion instrument 直接记录式强震仪
Digital Strong Motion Instrument 数字强震动仪
direct record strong-motion instrument [地震] 直接记录式强震仪
galvanometer gecord type strong-motion instrument 电流计记录式强震仪
galvanometer record type strong-motion instrument 电流计记录式强震仪
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