First unwinding adopt automatic EPC system.
一次放料采用自动纠偏系统。
The EPC system is a technology system which bases on the global uniform coding system. It uses network and RFID technology to identify, track and locate product.
EPC系统是指在全球统一的编码系统基础之上，利用互联网和射频识别技术形成的广义的技术体系。
Info queries the back end system for detailed information about an EPC value.
Info通过查询后台系统了解epc值的详细信息。
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