• 防落系统一种新型的减、抗震设计加固方法,由搁置长度、限位装置、连装置等三部分组成的,主要功能是阻止支承上脱

    Collapse-proof systems is a new method for seismic design and retrofitting, and the main purpose is to prevent the girders form falling off their supports.

    youdao

  • 防落系统一种新型的减、抗震设计加固方法,由搁置长度、限位装置、连装置等三部分组成的,主要功能是阻止支承上脱

    Collapse-proof systems is a new method for seismic design and retrofitting, and the main purpose is to prevent the girders form falling off their supports.

    youdao

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