black liquid of paper-making

• 造纸黑液

black liquid of paper-making的用法和样例：

例句

1. Treatment processes for resource-transfer of paper-making black liquor.
   造纸黑液资源化治理途径。
2. Using lignin exstracted from papermaking black liquor as a raw material,the synthesis of a quaternary ammonium salt of lignin has been carried out.
   以从造纸黑液中提取的木质素为原料，合成木素季胺盐絮凝剂。