sheetage纸张表面比率,纸张比重sheetn.被单；纸；(薄)片；一片n.[船]帆脚索v.铺盖；使成片adj.片状的sheet to roll duplicator页转卷复制机sheet-pile type groins桩式丁坝sheet steel rolling mill薄钢板压延机sheet thick film circuit片状厚膜电阻sheet metal of rectangle矩形盒sheetbar and billet mill薄板坯小坯轧机sheet spot welding joints点焊接头sheet and tube evaporator盘管套片式蒸发器Sheetlike aluminum powder片状铝粉sheets hot from the press刚印好的印刷品