Although being run for a unwheeling cycle, it could not be put into production for the significant change on the traction power policy of the nation.

该车曾经过一个架修期的运用考核，但由于国家牵引动力政策发生重大变化，未能投入生产。

youdao

Although being run for a unwheeling cycle, it could not be put into production for the significant change on the traction power policy of the nation.

该车曾经过一个架修期的运用考核，但由于国家牵引动力政策发生重大变化，未能投入生产。

youdao