| 释义 |
photomagnetic borehole surveying
- 地上凿洞dì shàng záo dòng
borehole
- 钻井zuàn jǐng
borehole; well drilling
- 丈量zhàng liàng
surveying; chaining; measure (land)
- 三角测量sān jiǎo cè liàng
triangular surveying, triangulation
- 井径jǐng jìng
hole diameter; borehole diameter
- 钻孔zuàn kǒng
drill; drill hole; perforate; borehole; solid boring; punching
|