Dredging advice：basic highlights of cutter suction dredger for self-improvement(animotation)

[#LeaderDredger_solution] Dredging knowledge from the leader dredger, as a dredger, you must have your own understanding and indirectness about cutter suction dredgers. This dredger animation video is compiled and produced by our designers to show you the cutter suction dredger.
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