October third，Chinese International Channel of China Central Radio and Television Station《Travel all over China》Series of reports《Lovely China》Focus on Tiejian Heavy Industry Shield Machine，Not only in size from conventional to super-large、A slight extension at both end，Implemented from 0.Full coverage from 5m to 23m in diameter，And that cutterhead is rich in shape.、Have a face，Sail out to sea with a cute expression，Achieve the goal of equipping the world。