网络释义 1. 保持门开启装置 ... door hold-open detection 保持门开启探测器 door hold-open device 保持门开启装置 door holding device 门的保持装置 ... www.diyifanwen.com|基于25个网页© 2025 Microsoft 隐私声明和 Cookie 法律声明 广告 帮助 反馈...
A door hold open device is disclosed for maintaining a door swingably mounted on a door jamb in an open position. The door hold open device includes an elongate track housing mounted on the door jamb, and a shaft disposed within the track housing. The shaft extends along a horizontal axis...
被引量: 18 摘要: A door hold-open device consists of a spring loaded plunger with a detent end on the forearm of a door closer. A ball bearing is mounted on the soffit plate to be releasably engaged by the plunger detent end in the hold-open position.收藏...
1) door hold-open detection 保持门开启探测器 2) door hold-open device 保持门开启装置 3) idle limiter 阻风门开启器 4) throttle opener 节气门开启器 5) valve duration 气门开启持续时间 6) actuating detector 启动火灾探测器 补充资料:平板闸门(见平面闸门) ...
Door hold open device A door hold open device for use with fire doors connected to a door closer unit. The hold open device has a latching means that automatically unlatches if the power supply drops below a predetermined threshold or a person attempts to dis... RC Gudgel,W Baker - US...
显然是错的嘛~hold和open是两个动词原形，是不可能放一起的呀！这都错了，别人哪晓得是啥意思，要么你联系一下上下文看看，理解理解~~
Hold the door open 美 英 na.让门开着 英汉 na. 1. 让门开着 释义: 全部,让门开着 1. Whenyoupickup your date,getoutof thecarandholdthedooropenforher. 当你去接她时,停下车后立刻下车为她把门打开。 article.yeeyan.org 2. Of courseyoucan!AndIwillholdthedooropenforyou,aswill Yeshua,Maitreya...
摘要: The invention relates to a locking arrangement (1) for a door, with a holding device (7) for locking the door, in particular in an open position, wherein the holding device (7) with supply of electric power from a locking state (SZ) in a released state (GZ) is transferable....
can close the door automatically when personnel go in or out of the room, prevent doors from being unlocked due to insufficient closing force, provides comfortable access, and for safety ,also you can choose the door closer with hold open function , it keeps the door open for a long time....
A releasable hold-open device for a spring-impelled, regulated door closer has a door motion follower adapted to be releasably held in a door- open position. An actuator is arranged to retain or release the follower under control of a pe... ...