| |||
shot | |||
steel ball; steel grit | |||
friction ball (轴承用) | |||
| |||
friction-ball |
钢珠: 58 phrases in 10 subjects |
Automobiles | 1 |
Construction | 1 |
Electronics | 5 |
Engineering geology | 1 |
General | 2 |
Metallurgy | 17 |
Oil / petroleum | 2 |
Steel production | 1 |
Technology | 27 |
Water resources | 1 |