tower cable excavator是什么意思

用法例句

General situation and market of wheel excavator and discussion after WTO entry;

国内外轮式挖掘机概况与技术市场及入世后的探讨

The advantages and development background of wheel excavator are analyzed,and the necessity of developing domestic wheel excavator is put out.

对轮式挖掘机的特点及兴起的背景进行了分析,指出了发展国内轮挖技术的必要性。