预应力混凝土管桩是近十余年来应用较多的一种预制桩型。

Prestressed concrete pipe pile which is widely used in the recent decade is a type of precast concrete pile.

youdao

预应力混凝土管桩是近十余年来应用较多的一种预制桩型。

Prestressed concrete pipe pile which is widely used in the recent decade is a type of precast concrete pile.

youdao