监督设备应予校正和维修，其过程之纪录应根据组织建立的程序加以保存。
Monitoring equipment shall be calibrated maintained and records of this process shall be retained according to the organization's procedures.
根据本发明的卷曲校正机构，结构简单，制作成本低且便于维修。
The curling correction mechanism according to the invention has the advantages of simple structure, low manufacturing cost and convenience for maintenance.
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