speed warning device

基本解释

The device has the functions of pulling the needle automatically, warning automatically and controlling the liquid infusion speed and liquid infusion quantity.
有自動拔針、自動報警、控制輸液速度和輸液量的功能。
ip.com
The utility model provides a slow-speed warning device for a vehicle, when a vehicle moves at a slow speed, rear coming vehicles can be warned automatically by light signals.
本實用新型提供一種車輛慢速警示裝置，車輛在慢速行進時，可自動以燈號警示後方來車。
ip.com
It presents the guidelines on how to adjust the installation location and incidence of stall warning device, and also discusses the reasons for metering of stall warning speed with indicated airspeed.
提出了如何調整失速警告器安裝位置和安裝角的指導性原則，論述了用表速計量失速預警速度的理由。