a-grade coated paper a级铜版原纸
We drank from wax-coated paper cups reminiscent of a visit to the dentist.
我们喝水用的蜡纸杯让我想起了那次去看牙医的事。
In 1884, he patented a photographic medium that replaced fragile glass plates with a photo-emulsion coated on paper rolls.
1884年,他获得专利的摄影上的方法是:用涂上照相乳剂的卷筒纸取代了易碎的玻璃板。
Bruising a grey or mottled effect, most noticeable in coated papers. It is a paper defect caused by undue heat or pressure in the calendars.
在粉纸上特别显著的灰色或斑点状情况。这是砑光机上的过度热力或压力所造成的纸张故障。
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