The accomplishment has been incorporated into ministerial standard and has the operation significance for the...

其成果已纳入部颁标准，指导生产具有重要的现实意义。

youdao

The accomplishment has been incorporated into ministerial standard and has the operation significance for the...

其成果已纳入部颁标准，指导生产具有重要的现实意义。

youdao