truck crane短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 n.卡车起重机 This paper points out the factors affecting the crane and explores the structural design of the hydraulic truck crane by analyzing the movements of the arms of the crane during its work. 本文通过对液压随车起重机各臂在工作中的运动分析，指出了影响起重机工作的因素，探讨了液压随车起重机结构设计的方法。 cnki