excavate 雅思托福GREGMAT专八

They plan to excavate a large hole.

他们计划挖个大洞。

A bulldozer was employed for excavating the foundations of the building.

推机用来给楼房挖地基。

On the other , many men was excavating the canalage drived by kurbash.

另一个大陆上，很多人在皮鞭驱使下挖运河。

The archaeologists excavated an ancient fortress.

考古学家们发掘出一个古堡。

Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material.

这些放射状陨石坑产生于天体撞击溅出的地下物质，绵延在遍布陨石坑的星表面数百公里。

The workmen excavated a hole in the wall to let the sewage pipe pass through.

工人们在墙上掘了个洞让通过。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术措施及技术结构、应用原理、采用这项技术的具体操作方法及达到的预期效果。