Advertising space rental

 China's Tunnel Boring Machines: From

China's Tunnel Boring Machines: From "Choking" to Global Dominance, the Strategic Choices Behind the Price War

China's Tunnel Boring Machines: From "Choking" to Global Dominance, the Strategic Choices Behind the Price War"Choking" was a shadow that lingered over China's manufacturing industry for over a decade. Huawei's ordeal and the humiliating experiences of domestic tunnel boring machines (TBMs) served as stark reminders...

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

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...

Advertising space rental