Ambulancemen now believe that helicopters are vital tools of the trade.

人员现在都认直升机是他们极其重要的工具。

The military portable ECG for triage is a kind of minitype monitoring equipment for life information for the purpose that the ambulanceman carry through first aids in frontline.

便携低耗军用分检心电图机是人员在战场上进火线抢而设计的款微型生命信息检测设备。