There are also individual details on the elevator
Made a few minor corrections, as follows:
Web Comment: Very good video, as an elevator industry practitioner, basically found no errors. In the spirit of the whale, I picked the following small flaws.
The card slot at 0:54 is called the guide shoe. Here the guide shoes are sliding guide shoes, and the high-speed elevator uses rolling guide shoes.
At 1:48 of the video, the requirements for the elevator wire rope strength GB7588 elevator manufacturing and installation safety requirements given in 9.2.2 are: three or more safety factors are 12; two safety factors are 16 (see the standard for the definition of safety factors)
Now the former Quality and Technical Supervision Bureau has been merged into the Market Supervision Administration.
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