... electrical bias || 电偏压 electrical blanket || 电毯，电褥 electrical booster || 电力升压器 ...
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电褥
electrical insulating blanket 电气绝缘毯
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。
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