excavator

The excavators have dredged up nothing but mud.

发掘者只一些泥。

The article recommends the technique arguments of the wafery excavator and the technics of building antiseep concrete wall using by it.

摘要介绍薄型抓斗技术参数及薄型抓斗建造混凝土防渗墙主要施工工艺。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压掘机、大吨位轮式载机、系列汽车起重机以及静液压式中小吨位和多功能载机。