seísmo | |
earth.sc. environ. | quake; seism |
mediante | |
patents. | by; by means of |
trepano | |
coal. | drill bit |
trépano | |
industr. construct. | crown bit; crown drill |
| |||
quake; seism | |||
earthquake |
seísmo mediante trépano : 5 phrases in 2 subjects |
Coal | 1 |
Earth sciences | 4 |