Excavating

(p. pr. & vb. n.) of Excavate

校对:伦道夫

• There have been about 1,000 patents granted for bridges, about 2,500 for excavating apparatus, and about 1,500 for hydraulic engineering. Edward W. Byrn. 十九世纪发明进展.
• This dredge is the only one found satisfactory in excavating rock. 佚名. 神奇的知识之书.
• Great gangs of men were employed in excavating canals, in making railway cuttings and embankments, and the like. 赫伯特·乔治·威尔斯. 世界史纲.

校对:伦道夫