阐述了塔式起重机附着装置的设计计算理论，建立了基于该理论的塔机附着装置计算机辅助设计系统。
It presents the designing principle of the attached member for tower crane, establishes the computer aided design system of this machinery.
阐述了塔式起重机附着装置的设计计算理论，建立了基于该理论的塔机附着装置计算机辅助设计系统。
It presents the designing principle of the attached member for tower crane, establishes the computer aided design system of this machinery.
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