waste liquid of papermaking

• 造纸废液

waste liquid of papermaking的用法和样例：

例句

1. Lignin from paper-making waste liquor was used as slow-releasing material to potassium fertilizer, which was propitious to resources utilization and environmental protection.
   木质素来源于造纸废液，作为钾肥的缓释材料，其资源环保意义重大。