Quality control and reliability management in joint operation of tco and dst 提高钻井机具产品质量的可靠性技术
2.
Its will continue its efforts in the development of more products and strengthening of quality control and reliability to make greater contributions to the national defense 我们将继续努力,在产品的品种、质量、可靠性等方面更上一层楼,为我国的国防事业作出更大贡献。