- trial bore hole
- 试探: sound out; feel out; probe; ...
- 钻孔: drill; bore; drill hole perf ...
- 冲槐探钻孔: percussion test hole
- 堪探钻孔: exploratory borehole
- 勘探钻孔: exploratory boring; exploratory drill hole; pioneer hole; pioneer well; post hole; prospect hole; prospecting bore
下载手机词典可随时随地查词查翻译