be substituted for 托福

Constituents that can be substituted for one another without loss of grammaticality belong to the same syntactic category.

可以相而又不改变语法属性的成分属于同一句法类型。

The application of the horizontal Wet-ESP has showed it has reached the environment protection standard of the flue gas from edge scarfer, so it can be substitute for the same type machines imported.

现场实测表明,该类除尘器能够满足火清理机烟气排放的环保要求,完全可以代同类进口设备。