tool coupling meaning in English

齿轮联轴节

Automated test tools coupled with fast backup and restore mechanisms are essential due to the need to repeat tests many times
自动测试工具需要与快速备份和存储机制相结合，这是因为实质上的需要重复多次测试。
The integration of management and authoring in a single tool coupled with the ability to manage all types of servers provides enhanced productivity , flexibility , and manageability for database administrators
将管理和创作集成于单一工具，再加上管理所有类型服务器的功能，提高了数据库管理员的工作效率，增强了灵活性和可管理性。