尽管通过国家和国际努力扩大了实验室网络，但是很多国家的结核实验室服务必须进一步完善。

Although laboratory networks have expanded through national and international efforts, TB laboratory services need to be improved in many countries.

youdao

尽管通过国家和国际努力扩大了实验室网络，但是很多国家的结核实验室服务必须进一步完善。

Although laboratory networks have expanded through national and international efforts, TB laboratory services need to be improved in many countries.

youdao