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Chu kỳ bảo trì thang máy được xác định như thế nào?
　　(1) Elevator accident rescue is not timely. The elevator maintenance companies are messy and the maintenance level is uneven, which leads to the untimely rescue of the elevator. At present, there are many elevator maintenance companies in China, but due to improper market management, the maintenance level of each company is uneven, and the...
Yêu cầu kỹ thuật an toàn đối với phòng máy thang máy là gì?
　　(1) Elevator accident rescue is not timely. The elevator maintenance companies are messy and the maintenance level is uneven, which leads to the untimely rescue of the elevator. At present, there are many elevator maintenance companies in China, but due to improper market management, the maintenance level of each company is uneven, and the...
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