Preview! At 19:30 on January 20, CCTV News "Top Laboratory" will be broadcasted on the whole platform, exploring the "King of Construction Machinery" Railway Construction Heavy Industry Shield Machine from zero distance, please pay att

CCTV News《Top lab》

January 20th 19:30（ Tonight ）

CCTV news client、Micro-blog、Tik Tok Kuaishou、Video number、BStation and other full-platform broadcasting

Popular science series live broadcast《Top lab》

Take you to explore the secret from zero distance

“King of Construction Machinery”Tiejian Heavy Industry Shield Machine

#The strongest China“Heart”#

#8.61m main bearing of Shield Machine with the largest diameter in the world#

#Hydraulic cylinder with maximum single thrust of 400 tons#

#At the bottom of a deep river、Underground in the city，Tunnel main body one-step forming#

Look, iron teeth, steel teeth、It is 100 meters long、Weighing a thousand tons.

“A great power weighs heavily”The core of Shield Machine“Hard technology”

Duration 1 hour，Stay tuned！

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