The essay makes a summary about seven graphic systems ex-portion of printing sheets, ink, PS plate, electrical aluminum, printing films, printing blanket and printing rollers.
本文主要讲述了印刷书写用纸、油墨、PS版、电化铝、印刷感光胶片、印刷橡皮布和印刷胶辊等七种主要印刷器材产品的出口情况。
Ink duct: Part of printing machine which stores and supplies ink to the inking rollers. Also called ink fountain. Rom duct.
墨槽：印刷机上贮存油墨和供应墨辊所需墨量的部份。
Ink duct: Part of printing machine which stores and supplies ink to the inking rollers. Also called ink fountain. Rom duct.
墨槽：印刷机上贮存油墨和供应墨辊所需墨量的部份。
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