In England an application of it in thin solution had been made by a Mr. Macintosh, who spread it between two thicknesses of thin cloth to form Macintosh water-proof coats. Edward W. Byrn.十九世纪发明进展.
If it be soft it should be covered with a few thicknesses of newspaper. 威廉K.戴维.智者、化学家和伟大医生的秘密.
Cores were made of cast iron, others of forged iron; and still others of sheets of iron of various thicknesses separated from each other by paper or paint. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
He snipped away at the black paper, then separated the two thicknesses and pasted the profiles on a card and handed them to me. 欧内斯特·海明威.永别了,武器.