The oil metering and regular calibration of flowmeter are important work for petroleum transportation and petrochemical enterprises.
原油外输计量与流量计检定工作是石油、石化企业的一项重要工作。
The oil metering and regular calibration of flowmeter are important work for petroleum transportation and petrochemical enterprises.
原油外输计量与流量计检定工作是石油、石化企业的一项重要工作。
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