a workman who excavates for foundations of buildings or for quarrying
a machine for excavating
双语例句
An intelligent control system to perform excavating operation under unattended condition was designed for excavators. 摘要在无人操作情况下,为实施挖掘作业,设计挖掘机的智能化控制系统。
At a newly built production plant in Dalian, China, Liebherr has begun to build hydraulic excavators for the Chinese market. 利勃海尔已经开始在中国大连的一个新建工厂内为中国市场生产液压挖掘机。