| |||
钻粒钻探 | |||
铁砂钻岩法 | |||
钢砂钻具; 钻粒钻具 | |||
钢珠钻机; 冲击钻 (机); 萼状取芯钻 |
shot drill : 28 phrases in 9 subjects |
Construction | 1 |
Drilling | 1 |
Electronics | 5 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 1 |
Oil / petroleum | 1 |
Technology | 14 |
Water resources | 1 |