1. When the door is repacked separately, if any problem is found, it is not repaired in time. Instead, the employee pushes the glass up by hand, so that the glass can rise to the top and then go offline. During the final inspection, it is found that the glass can not rise to the top again after falling;<br>2. Through online analysis, it is found that when installing the door inner guard board assembly, the glass is easy to squeeze and crimp the sealing strip of the upper glass guide rail in the guide rail, resulting in the interference between the sealing strip and the glass, so that the glass cannot rise to the top normally.<br>
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