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 thickness calibrator薄板测厚仪
sheet metal dieless forming金属板材无模成形
sheet-type invert trestle片式仰拱栈桥
sheet moulding compound SMC模压塑料板材
sheet graphite nanoparticle片状纳米石墨
sheet-reinforced ceramics金属板加固陶瓷
sheet and kieselguhr filter板框硅藻土过滤机