No structural alterations required, easily fits between joists and rafters.

没有结构改动需要，很容易适应的托梁和椽子。

youdao

The patient lacked any kind of pathological background. Thyroid function was normal, and no structural alterations were seen in echo.

该患者无任何疾病背景、甲功正常， 心超示无器质性改变。

youdao

The building cannot be made any structural alterations to because it was built in the sixteenth century and a preservation order has been clapped on it.

该建筑建于16世纪而且对它有一个保护法令，所以我们不能对其结构作任何更改。

youdao

Before you buy, ask if structural alterations have been made, and if so, did the previous owners have consent from the building authorities.

BBC: Living in: Hong Kong