... 凸版彩色油墨 letterpress color ink 不下墨 ink retreating from fountain roller 团结就是力量 Unity is strength. ...
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ink retreating from fountain roller 不下墨; 浮脏 rocking-lever for ink duct roller 墨斗辊摆动杆 ..
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... 脱朱 stripping 没有下朱 ink retreating from fountain roller 浮净 tinting ...
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