在试验中，预应力次弯矩是通过调整支座高度来实现的。

In the test, the prestressed secondary moment is established by adjusting middle support height.

youdao

在试验中，预应力次弯矩是通过调整支座高度来实现的。

In the test, the prestressed secondary moment is established by adjusting middle support height.

youdao