boom hoist

基本解释

Partial buckling of hoist boom is analyzed with ANSYS finite element program.
采用ANSYS有限元程序分析起重臂的局部屈曲。
An optimum design program of box-sectioned telescopic hoist boom in wheel type crane is compiled with discrete variable method.
本文运用离散变量优化设计理论，编制了轮式起重机箱形伸缩式吊臂优化设计程序。
All cranes will be equipped with a functional weight indicator on the main hoist and a boom angle indicator, both visible by the operator.
所有的起重机都应当有主钩的起重能力指示器和扒杆角度指示器，并且起重机司机要看得见。
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