The crane disposes of a 40 meter (132 ft) main boom, a newly developed two-man cab and a novel counterweight system that may be supplemented on site.
本起重机配40米（132英尺）主臂，新开发的双人司机室和一个新颖的可在现场安装的配重系统。
The binary tree forest data structure is used to describe the lever load system of structure tests, which make it be likelihood to design automatically the lever load system counterweight.
采用二叉树森林数据结构来描述结构试验的杠杆加载系统，使得杠杆加载系统的配重方案自动化设计成为可能，在此基础之上对加载系统配重方案的优化设计方法进行了研究。
The binary tree forest data structure is used to describe the lever load system of structure tests, which make it be likelihood to design automatically the lever load system counterweight.
采用二叉树森林数据结构来描述结构试验的杠杆加载系统，使得杠杆加载系统的配重方案自动化设计成为可能，在此基础之上对加载系统配重方案的优化设计方法进行了研究。
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