| |||
arteries of communication | |||
road traffic Circulation of motor vehicles and people on the road network (在道路网络中循环的机动车和人。) | |||
road traffic |
道路交 通 : 80 phrases in 9 subjects |
Agriculture | 1 |
Automobiles | 13 |
China | 13 |
Construction | 2 |
Environment | 2 |
Hydroelectric power stations | 2 |
Oil / petroleum | 1 |
Technology | 45 |
Transport | 1 |