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Hnav-tiv taus Cutter hniav rau Cutter taub hau
RELONG tab tom txhim kho thiab nthuav dav cov txheej txheem hniav tshiab.Nws muab ntau hom hniav tshuab rau txhua daim ntawv thov hauv dredging.Txawm hais tias nws yog rau lub taub hau txiav, txiav log, rub lub taub hau lossis rau cov xuab zeb, av nplaum lossis pob zeb, peb muaj kev daws teeb meem rau txhua qhov me me dredger.Tag nrho cov hniav tshuab yog tshwj xeeb tsim los rau dredging.
