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

救护人员现在都认为直升机是他们这一行极其重要的工具。

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.

便携低功耗军用分检心电图机是为救护人员在战场上进行火线抢救而设计的一款微型生命信息检测设备。