1) Rock drilling
岩層鑽孔
2) boring
[英]['bɔ:rɪŋ] [美]['bɔrɪŋ]
鑽探,鑽孔
3) borehole (boring)
鑽孔
4) borer
[英]['bɔ:rə] [美]['borɚ]
鑽孔,鑽機,鑽頭
5) calyx drill holes
萼狀鑽孔
6) borehole jack
鑽孔千斤頂
参考词条