航道疏浚
- n.channel dredging
- 网络waterway dredging; Dredging of Navigation Channel

航道疏浚
channel dredging
航道疏浚,waterway... ... ) waterway dredging 航道疏浚 ) channel dredging 航道疏浚 ) dredge a channel 疏浚航道 ...
waterway dredging
航道浚深,waterway... ... ) waterway deepening 航道浚深 ) waterway dredging 航道疏浚 ) channel dredging 航道疏浚 ...
Dredging of Navigation Channel
2013《2007广... ... ·船舶检验· Ship’s l nspection ·航道疏浚· Dredging of Navigation Channel ·救助打捞· Salvage and Rescue ...
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