他表示，透明水泥已经申请专利，目前还没有决定是否向世界范围内推广使用。

The cement is currently under patent and it is not yet decided if it would be made available worldwide, he added.

youdao

他表示，透明水泥已经申请专利，目前还没有决定是否向世界范围内推广使用。

The cement is currently under patent and it is not yet decided if it would be made available worldwide, he added.

youdao