over speed device 超速装置
hoist over speed device 吊车超速防止装置
Over-speed protection device 超速保护装置 ; 过速保护装置
over-speed limiting device 过速限制装置
Speed, battery life, and other connectivity information are all conveyed over a secure wireless connection to a handheld device that can be mounted on the dash.
一个安全的无线连接装置，把车辆的行驶速度、电池寿命以及其他关联信息一并传送可以手控的仪表板上。
According to the adjusting principle of current bi-colsed, PLC and 6ra70 digital DC speed regulating device is adopted, which controls over the system of the rolling mill.
根据电流双闭环调速原理，采用6ra70直流全数字调速装置与P LC结合，控制材轧机电系统。
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