箱形臂架;
The reliability analysis of the box type telescopic jib plays a key role in the railway crane design.
箱形伸缩式吊臂的可靠性分析是铁路起重机设计中的重要部分。
Study on the growth characteristic and relative feeding value of four varieties of Brachiaria decumbens in Southern Fujian fish-tail end blade mobile crane with box section jib
4个臂形草品种在闽南地区的生育特性及其相对饲用价值研究
纳米英语 · 双语娱乐资讯