| |||
blow-hole; unfill | |||
hoistway pit; pit | |||
pits; cavity; casting pit; hollow; pitting corrosion | |||
ladle pit; tapping pit | |||
| |||
pits |
grube: 13 phrases in 10 subjects |
Coal | 1 |
Construction | 1 |
General | 1 |
Life sciences | 1 |
Materials science | 1 |
Mechanic engineering | 2 |
Medical | 2 |
Metallurgy | 2 |
Natural sciences | 1 |
Transport | 1 |