... 俯仰式起重机电动机 luffing winch motor 俯仰摇臂式起重机 luffing jib crane 旋臂式俯仰起重机 leverluffingcranewithswinglever ...
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luffing-jib crane 俯仰旋臂起重机
rail-running luffing jib crane 轨行动臂俯仰变幅塔机
luffing jib tower crane 动臂塔式起重机 ; [机] 动臂变幅塔式起重机
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Reaserch the relations between at luffing course of horizontal movement and jib system organization's static stressing, as well as to improve the analyses means of design software of these same crane.
探寻物品在变幅过程中水平移动与臂架系统结构静态受力之间的关系，研究臂架自重平衡系统的设计与臂架系统动力响应之间的关系以及对改善该类门机的设计软件的分析手段。
A new-type quayside container crane with jib-bridge luffing system as the main working part is brought out.
提出一种以臂桥架变幅系统为主要工作机构的岸边集装箱起重机。
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