| |||
空心钻 | |||
岩心钻头 | |||
岩芯钻头 | |||
取心钻头 | |||
空心钻头; 岩芯钻 (头); 钻芯; 取芯钻头; 取芯钻具 | |||
| |||
岩芯钻头 |
core- bit : 84 phrases in 13 subjects |
Agriculture | 2 |
Architecture | 1 |
Bridge construction | 1 |
Cryptography | 1 |
Drilling | 6 |
Engineering geology | 4 |
General | 2 |
Information technology | 2 |
Mechanics | 3 |
Metallurgy | 4 |
Oil / petroleum | 12 |
Space | 1 |
Technology | 45 |