求翻译：首先由计量员送设备到国家认可的检定机构，校准完后由部门经理批准下放到各部门，计量员提前十天通知设备使用部门，并定期对设备进行校准是什么意思？

First sent by the measuring device to the member countries recognized institutes, calibration after approval by the manager into the various departments, ten days in advance to inform members of measurement equipment sector, and regularly calibrated equipment

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First delivers the equipment from the measurement to the national approval examination organization, after calibrates authorizes from department manager to release to various departments, the measurement ahead of time ten day notice equipment user departments, and regularly carries on the calibratio

First delivered by measuring equipment to state-approved verification bodies, calibration after the decentralization of approval by the Department Manager to various departments, measurement device using sector ten days ' notice in advance and regular equipment calibration

First delivered by measuring equipment to state-approved verification bodies, calibration after the decentralization of approval by the Department Manager to various departments, measurement device using sector ten days ' notice in advance and regular equipment calibration