Magnet roller, developing agent carrier, developing unit, process cartridge and image forming apparatus using same.
磁辊，显影剂载置体，显影装置，处理卡盒及图像形成装置。
Agent Starling is a deep roller.
史戴琳探员就是那只深沉的鹞鸽。
On base of analysing theory of roller surface abrasion, new materials of welding agent are introduced.
在分析辊压机辊面磨损机理的基础上介绍了辊面堆焊修复的新材料。
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