按有关规定及标准对所有计量仪器作周期检查和校准，完成并保存相关计量仪器校验记录和计量鉴定证书；
According to the relevant regulations and standards to inspect and calibrate all measuring instrument, complete and save the relevant calibration record and appraisal certificate;
按有关规定及标准对所有计量仪器作周期检查和校准，完成并保存相关计量仪器校验记录和计量鉴定证书；
According to the relevant regulations and standards to inspect and calibrate all measuring instrument, complete and save the relevant calibration record and appraisal certificate;
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