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！