| |||
caterpillar -mounted excavator; caterpillar-mounted excavator | |||
crawler excavator; shovel crawler | |||
track laying excavator |
履带 挖掘机 : 21 phrases in 6 subjects |
Automobiles | 2 |
Electronics | 1 |
Engineering geology | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 3 |
Technology | 12 |