It is of necessity to calibrate equipment before and after each shift, retest those with reduced sensitivity or reevaluate the unsatisfactory weld with increased sensitivity.

每班次前后必须对设备进行校准。发现灵敏度降低的重新检测，升高的，对不合格焊缝重新评定。

youdao

The Numbers of monthly errors before and after performance of nigh-shift supervision were compared and so were the number of nursing errors each season and the nursing quality in the day-time ward.

比较实施专业化分组夜间护理质量督导前后每月夜间发生护理不良条数、每季度日间病区发生护理不良条数和日间病区护理质量。

youdao

Teams, whose members volunteer to take on various duties, meet before and after each shift to discuss the work to be done and address problems to be solved.

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