The 13 kilometer tunnel has been repaired for 14 years! How many Chinese engineers have turned their green hair into white hair as tunnels turn into water curtains
You may have heard of it,China has a tunnel with a total length of only 13.39 kilometers, but it took 14 years to complete,What's going on here?This tunnel is the Shanyang Tunnel of the Dali Ruili Railway,It is known as the most difficult railway tunnel for surrounding rock excavation in China, and sometimes even becomes a "water curtain tunnel",Causing headaches for engineers...
Hisense's after-sales service needs to replace the motherboard for 600 to 700 yuan, and the customer repaired it for 25 yuan themselves. The customer complained that the video caused a stir
Hisense has become famous now, but what it produces is not a good name.The cause of the incident was that a Hisense customer had a blue screen on their TV, and then called Hisense's after-sales service to inspect it at their doorstep...