automatic activation device

device that automatically opens a parachute

en-GB/ˌɔːtəˈmætɪk ˌæktɪˈveɪʃn dɪˈvaɪs/
en-US/ˌɑdəˈmædɪk ˌæktəˈveɪʃən dɪˈvaɪs/

الفئات:

protective device