excavator中文什么意思

n.
1.开凿者；发掘者。
2.挖掘器；挖土机；电铲。
3.(牙科用的)钻孔器。

• automatic excavator:    自动挖掘机
• backhoe excavator:    反铲挖掘机
• beach excavator:    海滩挖泥车

例句与用法

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1. The veteran excavator richard leakey declared in 1977: "there is no single center where modern man was born. "
   老资格的考古挖掘家里查德利基在1977年声称：“现代人没有单一的诞生中心。”
2. In soft clay, tubes of the extending type can easily be pushed down through the clay by using a mechanical excavator .
   在软泥中，可以利用挖掘机，很容易地把需要延伸的管子穿过泥土推下去。
3. Cable operated excavators volumetric rating for buckets
   机械挖掘机铲斗.容量标定
4. Crawler excavators with electric power . basic parameter
   履带式电动挖掘机基本参数
5. Anatomy of typical failures of komatsu pc200 - 7 excavator
   7型挖掘机典型故障剖析

英文释义

名词

1. a machine for excavating
   同义词：power shovel, digger, shovel
2. a workman who excavates for foundations of buildings or for quarrying