Txhawm rau kom ua tau raws li qhov xav tau ntau dua dredging, CDSR muaj ntau qhov ntau ntawm cov kav dej ntau, xws li Tawm Hose, Floating Hose, Armored Hose, Suction Hose, Expansion Joint, Bow Blowing Hose Set, Special Hose thiab lwm yam khoom uas tau tshwm sim tas li.(1) TSI...
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