名词 iron filing:
-
a fragment of iron rubbed off by the use of a file
- The iron flings align themselves in the direction of the magnetic field.
铁屑按磁场的方向排列。
- Printing and dyeing wastewater was treated by the two wastes, iron scraps and fly ash.
摘要利用废铁屑与粉煤灰两种废物集合处理印染废水。
