...不锈钢电动伸缩门凤庆吕梁伸缩门(Retractable door),就是门体可以伸缩自由移动,上屈服点(σsu):试样发生屈服而力首次下降前的最大应力; 下屈服点(σsl):当不计初始瞬时效应...
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ELECTRIC RETRACTABLE DOOR MIRROR 通过镜像电动伸缩式 ; 电气可伸缩的镜像
Retractable door handles 可伸缩车门把手
Automatic Retractable Door 自动伸缩门
Electric retractable door 电动伸缩门
The utility model relates to an assisting retractor device of an electric retractable door, belonging to the field of electric retractable equipment.
本实用新型涉及一种电动伸缩门助伸缩装置,属于电动伸缩装置领域。
Safety light is mainly used in different translation automatic door and electric retractable door, automatic rolling gate safety clamp auxiliary function.
安全光线主要应用在不同的平移自动门以及电动伸缩门,自动卷闸门的安全防夹辅助功能。
The utility model discloses an air flow control device of a coal mine lane ventilation system, in particular relates to a mine retractable air flow control air door.
本实用新型公开一种煤矿巷道通风系统的风流控制装置,尤其是一种矿山可缩式风流控制风门。
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