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crane boom; gib arm of crane | |||
arm of crane; fly jib; gib | |||
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gib arm |
吊车臂: 53 phrases in 11 subjects |
Architecture | 1 |
Automobiles | 6 |
Bridge construction | 2 |
Construction | 1 |
Drilling | 2 |
Electronics | 3 |
Hydroelectric power stations | 2 |
Mechanic engineering | 1 |
Metallurgy | 2 |
Oil / petroleum | 3 |
Technology | 30 |