On the morning of June 6, the opening ceremony of the first phase of vocational skills training for retired military personnel in 2022 of Jining Industry and Information Business Vocational Training C
China Coal Group And Jining Technician College New Apprenticeship Training Opening Ceremony Held
The opening pressure of pressure valve is one of the important factors that affect the braking power of dowty retarder. The reasonable opening pressure can not only make the dowty retarder obtain bett
On October 8, 2019 Vietnam Energy Mining Technology and Equipment Exhibition and Vietnam's 28th International Industrial Fair were held in Hanoi International Convention and Exhibition Center in Vietn
On the afternoon of December 25, the China Coal Group celebrated the 40th anniversary of the reform and opening in the conference room on the second floor. All party members, cadres attended the meeti
July 1 will open Urumqi to Dunhuang "sitting in Xinjiang train trip - similar to Dunhuang" tourist train, the end of Xinjiang tourists can not command the history of the train to Dunhuang. This is the
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