automatic activation device

device that automatically opens a parachute

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

دسته بندی ها:

protective device