| |||
safety bar | |||
safety lever | |||
safety pole; safety rod |
安全杆 : 43 phrases in 11 subjects |
Automobiles | 3 |
Drilling | 4 |
Ecology | 1 |
Electronics | 1 |
General | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 2 |
Nautical | 1 |
Oil / petroleum | 5 |
Rail transport | 1 |
Technology | 23 |