这些废纸可以再利用。

This wastepaper can be reused.

办公室里有很多废纸。

There is a lot of wastepaper in the office.

请把废纸扔进回收箱。

Please throw the wastepaper into the recycling bin.

他把废纸卖给了回收公司。

He sold the wastepaper to the recycling company.

探讨了废纸酶法脱墨的机理以及废纸酶法脱墨的工艺和效果.

This paper has discussed the mechanism, process and effect of enzyme deinking applied on wastepaper.

老师吩咐那些男孩，把野餐后散在周围的 废纸收集起来。

The teacher told the boys to collect all the wastepaper lying about after the picnic.

桌上型反应器测试废纸再生厂之制程排渣与生物污泥之处理。

In trial process, rejects from wastepaper-based paper mills and their sludge were tested.

综述了表面活性剂在造纸制浆和废纸脱墨中的应用.

The progress information about the application of surfactants in pulp manufacture and wastepaper deinking was reviewed.

脱墨”清除印刷废纸上的油墨或无用的化学成份以回收马铃薯内纤维再用。

Deinking: Removing ink and other unwanted chemicals from printed wastepaper to recover and re-use the fibre content.

我会问一下凡‧赫尔辛太太看她是否会用到它们。不然，就把它们丢到废纸筐里去好了。

I'll ask Mrs. Van Helsing if she can use them. Otherwise, just throw them into the wastepaper basket.