1, Harbor-Tiangong-2: Harbor-Tiangong-2, the heavyweight of China, is the first target aircraft in China, and it was successfully launched on 20 1 1. It is a space laboratory, which adopts the configuration of experimental cabin and resource cabin, with a total length of10.4m and a designed on-orbit life of 2 years.
2. Hong Kong-Zhuhai-Macao Bridge: There are many national heavyweights in China, among which the Hong Kong-Zhuhai-Macao Bridge is the most representative. This bridge connects Hong Kong, Zhuhai and Macau. This is a bridge and tunnel project connecting China, Hongkong, Zhuhai and Macau. 65438+February 65438+May 2009, the main project was completed on July 7, 20 17. On February 6, 2065438, the acceptance of the main project was completed.
3. Blue Whale: The Blue Whale is the crane ship with the largest single-arm lifting capacity at present, with a total length of 24 1 m, a width of 50 meters and a depth of 20.4 meters. Its total weight reaches 64 1 10 ton, and the hanging beam is 98. 1 m. The blue whale can go deep into the water150m and lift the heavy object to125m. This makes the blue whale one of the most important weapons in China.
4. 500-meter spherical radio telescope (FAST): The 500-meter spherical radio telescope (FAST) is the largest and most sensitive radio telescope independently developed in China. It consists of active reflector system, feed support system, measurement and control system, receiver and terminal, and observation base.
5. Underwater Jiaolong nuclear submarine: China has many heavy weapons, the most famous of which is Jiaolong. "Jiaolong" is the first operational deep-sea manned submersible independently designed and integrated in China, with a maximum dive depth of 7,000 meters, setting a record for manned deep dive in China.