常見例句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. 該車曾經(jīng)過一個架修期的運用考核，但由于國家牽引動力政策發(fā)生重大變化，未能投入生產(chǎn)。 返回 unwheeling