Live working - portable equipment for earthing or earthing and short - circuiting 带电作业.接地或接地和短路用便携式设备
Live working . portable equipment for earthing or earthing and short - circuiting 带电作业.接地用便携式设备或接地和短路
Live working - portable equipment for earthing or earthing and short - circuiting 带电作业.接地用便携式设备或接地和短路
In communications , the use of a pocket sized device to alert the user that he or she is required on the telephone 在通信技术中,使用一种便携式设备通知用户有呼叫他(她)的电话。
Radiation protection instrumentation - portable equipment for measuring specific activity of beta - emitting radionuclides in foodstuffs 辐射防护仪器.测量食品中辐射放射性核素具体放射性用便携式设备