When someone or something passes, it can accurately and reliably detect, and provide signals to the automatic door, thereby avoiding the occurrence of automatic door clip folder accident.
当有人或者物通过的时候，它可以准确可靠的探测到，并给自动门提供信号，从而避免自动门夹人夹物事故的发生。
They're easier to see and you can put a picture or clip art on the folder (see how below) so that it's more easily recognizable.
这样看起来更明显，你可以把一副图片或剪贴图片放进文件夹(如何做见下文)，这样就更容易辨认。
Note: Our company provides the upgrade of old-styled business file folder machine, increase the auto metal clip device and computer auto control system.
注：我公司提供老式商业夹设备的改造，增加自动穿扣整套装置及电脑自动控制系统。
Note: Our company provides the upgrade of old-styled business file folder machine, increase the auto metal clip device and computer auto control system.
注：我公司提供老式商业夹设备的改造，增加自动穿扣整套装置及电脑自动控制系统。
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