Protection measures for extending Rolls' life including hardware calender, super calender and soft calender are concerned by staffs which are responsible for maintenancing calender.
延长硬辊压光机、超级压光机和软辊压光机的压光辊辊面使用寿命及保护措施，受到造纸机压光机的维护人员的关注。
Protection measures for extending Rolls' life including hardware calender, super calender and soft calender are concerned by staffs which are responsible for maintenancing calender.
延长硬辊压光机、超级压光机和软辊压光机的压光辊辊面使用寿命及保护措施，受到造纸机压光机的维护人员的关注。
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