当有dlt的时候，不同的公司擅长补充产品的垂直链的不同层。

When there is DLT, different firms excel in different layers of the vertical chain of complementary products.

youdao

当有dlt的时候，不同的公司擅长补充产品的垂直链的不同层。

When there is DLT, different firms excel in different layers of the vertical chain of complementary products.

youdao