Nevertheless, care must be taken in treating problems on quality and technology of construction.

但在新型防水材料使用中，尚需解决好有关质量及技术问题。

youdao

Nevertheless, care must be taken in treating problems on quality and technology of construction.

但在新型防水材料使用中，尚需解决好有关质量及技术问题。

youdao