河道裁弯取直

river cutoff river straightening  detail>>

河道裁弯 河道裁弯取直

rivercutoff  detail>>

河道裁弯取直 河道改直

riverstraightening  detail>>

河道裁弯

river cutoff  detail>>

河道裁弯作用

channel cutoff  detail>>

河槽裁弯取直 河道取直 河道整直

channelstraightening  detail>>

隧道裁弯

tunnel cut-off  detail>>

裁弯取直

curve cut-off; rid of the unnecessary and take the most appropriate  detail>>

裁弯取直比

cutoff ratio  detail>>

裁弯取直段

shortened section  detail>>

裁弯取直率

cut-off ratio  detail>>

河道裁直

river channel straightening river course straightening  detail>>

把河裁弯取直

straightening of river channels  detail>>

裁弯取直 捷水路

cut-off  detail>>

裁弯取直河段

shortened section of river  detail>>

河槽裁弯取直

channel straightening  detail>>

曲流裁弯取直

meander cut-off  detail>>

地下河裁弯取直

subterranean cutoff  detail>>