自动张紧装置 meaning in English

automatic takeup

Research on automatic tensioning device of elastic belt conveyor
可伸缩带式输送机自动张紧装置研究
Popularization and use of hydraulic auto - tauten devices in belt conveyor type yzl
100型皮带机液压自动张紧装置的推广应用
Calculation of belt tension of belt conveyor with automatic constant tension take - up unit
带式输送机采用恒力自动张紧装置时胶带张力计算