| |||
downstream section | |||
lower reaches | |||
tail water | |||
downstream course; low course | |||
lower reach | |||
| |||
lower river | |||
| |||
lower reach |
下游 段 : 25 phrases in 8 subjects |
Agriculture | 1 |
Aviation | 2 |
Bridge construction | 1 |
Electronics | 1 |
Engineering geology | 2 |
Hydraulics | 1 |
Hydroelectric power stations | 4 |
Technology | 13 |