automatic activation device造句

例句与造句

1. All of the rigs used for student operation contain Automatic activation devices.
2. While performing a high speed landing manoeuvre, his automatic activation device fired at approximately 750 feet above the ground and deployed his reserve parachute.
3. Many skydivers use an automatic activation device ( AAD ) that opens the reserve parachute at a pre-determined altitude if it detects that the skydiver is still in free fall.
4. Most new snowmelt systems operate in conjunction with an automatic activation device that will turn on the system on when it senses precipitation and freezing temperatures and turn off the system when temperatures are above freezing.
5. It refers to a specific make and model of an automatic activation device ( AAD ), a device that automatically activate a parachute ( typically as a reserve system for a skydiver ) under certain circumstances.
6. It's difficult to find automatic activation device in a sentence. 用automatic activation device造句挺难的
7. If they have not been able to assist their student by this altitude, the student's rig is equipped with an " Automatic Activation Device ( AAD ) " that will fire the reserve parachute if the student passes the activation altitude at freefall speeds.
8. "' Automatic activation device "'( "'AAD "') in skydiving terminology refers to an electronic-pyrotechnic or mechanical device that automatically opens the main or reserve parachute container at a preset altitude or after a preset time.