tough check是什么意思

网络释义

1)tough check,强韧票证纸2)tough check,强韧纸板3)rope sack paper,强韧纸袋纸4)safety coupon paper,票证纸5)test liner,强韧箱纸板;高耐破纸板6)lathe work,(钞票纸或证券纸的)彩纹