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person:("Li, cheng")
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person:("Li, hong")
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person:("Li, chang")
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person:("Li, zhong")
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person:("Li, chung")
Vibration absorbing mechanism for anchor gear support and operating method
Single-degree-of-freedom nested underwater vehicle capturing mechanism
Modular end wall structure of metro vehicle and manufacturing method of modular end wall structure
Auxiliary beam hoisting construction process and construction equipment
Mechanism and method for implementing variable-section installation of base joint for tower crane
Mechanical equipment maintenance device based on AR technology
Modularized subway chassis and manufacturing method thereof
Movable ecological floating island and reservoir suitable for purifying initial rainwater
Automatic lifting type three-directional adjusting running tension platform