升级之后，设备维护费用降低了4倍。
After upgrading the cost of equipment maintenance has decreased 4 times.
新方法既可降低软件开发成本又可减少软件维护费用。
This new method can reduce software development cost and software maintenance cost.
新方法既可降低软件开发成本又可减少软件维护费用。
This new method can reduce software development cost and software maintenance cost.
应用推荐