fixed connection中文什么意思

例句与用法

1. low-voltage fixed connection enclosed assemblies
   低压固定封闭式成套开关设备
2. tightly fixing connection screw to machine and cabinet
   机柜内所有连接螺钉均应牢固、无松动。
3. cable and bulb built a fixed connection
   电缆和球壳有固定连接。
4. fix connections can be started, stopped and reset automatically by means of a flexible timetable which can take into account time zones and public holidays
   可通过灵活的时间表设置自动开始结束和重置fix连接，还可将不同的时间区域和公众假期考虑在内。