北魏曾在寿春建立了船厂、港泊和一支水军，并普遍运用树栅阻止敌船的战术。

The Northern Wei regime established in Shouchun a shipyard, a port and a navy, and tried to prevent enemy ships from entering by a tree stump grid.

youdao

北魏曾在寿春建立了船厂、港泊和一支水军，并普遍运用树栅阻止敌船的战术。

The Northern Wei regime established in Shouchun a shipyard, a port and a navy, and tried to prevent enemy ships from entering by a tree stump grid.

youdao