operating line meaning in English
工作线，操作线。
Examples
- Chengyu science limited company will continue to operating lines of chengyu group : introducing new technology , using new craft , exploring new area , taking quality as life , regarding customers as god
公司经营方针：引进新技术，采用新工艺，开拓新产品，探索新领域，以质量为生命，视客户为上帝。