They attach importance to giving play to the role of the market mechanism by encouraging appropriate competition. They are gradually improving their equipment ordering system,and building and improving the research and acquisition contracting system.是什么意思_They attach importance to giving play to the role of the market mechanism by encouraging appropriate competition. They are gradually improving their equipment ordering system,and building and improving the research and acquisition contracting system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句