1) explored press drilling
探压钻孔
2) boring
[英]['bɔ:rɪŋ] [美]['bɔrɪŋ]
钻探,钻孔
3) borehole
[英]['bɔ:həʊl] [美]['bɔr'hol]
钻孔;探孔
5) exploration borehole
勘探钻孔
补充资料:冲击波超压与动压