1.
Study and Implementation of SOS-positoning and Physiological Data Convertor;
移动定位呼救器和生理数据采集器的设计与实现
2.
portable respiration aiding machine
便携式急救呼吸辅助器
3.
low power distress transmitter
低功率遇险呼救发信器
4.
filtering respiratory protective devise for self-rescue from fire
消防过滤式自救呼吸器
5.
Study on a New-Type Chemical Oxygen Respirator for Fire Self-Rescue;
一种新型化学氧消防自救呼吸器研究
6.
Application of Virtual Instrument in Automatic Crash Notification Technology
虚拟仪器在车辆紧急自动呼救技术领域的应用
7.
distress message generator
呼救信号发生器遇险电文产生器遇险信息发生器
8.
Self-contained breathing apparatus(SCBA) may be required to prevent asphyxiation of rescue personnel.
可能要求备有自给式呼吸器（SCBA），以防止救援人员窒息。
9.
They heard a call for help.
他们听到呼救的喊声。
10.
We heard a call for help.
我们听到呼救的声音。
11.
They heard a cry for help.
他们听见了呼救声。
12.
We heard shouts for help in the distance.
我们听到远处有呼救声。
13.
The drowning child was crying out for help.
溺水的孩子大声呼救。
14.
The man in the river was crying for help.
掉在河里的人在呼救。
15.
Hearing a cry for help, he rushed out.
听到呼救声，他冲了出去。
16.
They heard someone crying out for help
他们听见有人大声呼救。
17.
The trapped woman cried out for help.
受困的女人大声呼救。
18.
Nobody answered my call for help.
没有人理会我的呼救.