long hole | |
eng.geol. | 深孔 |
method | |
gen. | 法; 标准; 水平 |
environ. | 方法 |
hydroel.st. од. | 方法 |
mech. | 电火花法 |
| |||
深孔 | |||
长距离穴; 长洞 |
long hole : 57 phrases in 7 subjects |
Architecture | 1 |
Drilling | 1 |
Engineering geology | 7 |
Explosives and Explosive Ordnance Disposal | 23 |
Geophysics | 1 |
Mining | 1 |
Technology | 23 |