冯冯49 冯冯49
傻妞一个
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Manufacturing continues to expand Manufacturing bounced back to a five-month peak in February,supported by stronger exports,easing concerns about a possible contraction. The purchasing managers` index,an indicator of manufacuturing activity,hit 51 last month,0.5 points higher than January.
RFID 射频识别即RFID（Radio Frequency IDentification）技术，又称电子标签、无线射频识别，是一种通信技术，可通过无线电讯号识别特定目标并读写相关数据，而无需识别系统与特定目标之间建立机械或光学接触。
做过MES销售的请报道啊！
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