1. We must maintain friendly relations with them. 我们必须和他们保持友好关系。
2. Ensure strict stock rotation and minimum wastage. Have stock control procedures implemented and maintained. 保证严格的库存循环和最少浪费，实施并维护库存控制程序。
3. Inspection and test data shall be recorded, evaluated, and maintained as evidence of performance to these provisions. 检验及测试数据应予记录、评估及保存以作为这些版本性能的证明。
英英解释
adj.
1. kept in good condition
2. continued in your keeping or use or memory
