trolly
英 ['trɒlɪ]
美 ['trɒlɪ]
trolly 双语例句
This paper establishes dynamics models of lifting mechanism , traveling mechanism of trolly of gantry came , and ascertains dynamics load under different working conditions according to dynamics theories . 根据起重机动力学理论，建立了门式起重机起升机构的动力学模型，确定了在不同工况下的动力载荷。