The metal parts are made out of a flat sheet of metal in every case.
每个金属零件都是从一个大金属片上裁取制造的。
It is then pressed in a heat press for two minutes into a flat sheet.
然后在热压机中压制两分钟，形成平板。
All paper is essentially dried up plant fibers, clinging together in a flat sheet.
所有的纸在本质上只是干燥的植物纤维，通过平板粘结在一起。
All paper is essentially dried up plant fibers, clinging together in a flat sheet.
所有的纸在本质上只是干燥的植物纤维，通过平板粘结在一起。
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