retractable scaffold bracket 伸缩式吊盘卡
bracket scaffold 悬臂式脚手架 ; 托架式脚手架 ; [建] 挑出式脚手架
bracket t scaffold 悬臂式脚手架
When scaffold work, the adjustable shelf and the bracket fixing use to attach the wall bolt and the wall anchor, two between not relative motions.
当脚手架工作时，活动架和固定架均用附墙螺栓与墙体锚固，两架之间无相对运动。
Attach the wall alternately through the adjustable shelf and the bracket fixing, rises and falls mutually, scaffold then along wall on reservation hole cascade fluctuation.
通过活动架和固定架交替附墙，互相升降，脚手架即可沿着墙体上的预留孔逐层升降。
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