Standard data chain and CRC-16 check mode are used in inquiry control by the central station at the drilling company.

数据网由中心站（钻井公司）采用轮询方式控制，使用标准的数据链路控制规程，和CRC-16校验方式。

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The label demonstrates that all franchises have adopted the processes prescribed by the franchisor, and that the central quality control unit supervises quality management in the entire supply chain.

标签表明所有特许经营都已采用特许经营者规定的流程，并且中央质量控制单位监督整个供应链的质量管理。

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