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A kind of activity gate slot
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A kind of star-wheel detent mechanism
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A kind of integral type dredging dehydration equipment
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A kind of bed mud separates and collects device
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A kind of double drive self-propelled spiral Accrete clearing devices
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Double winding drum hoist
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A kind of self-propelled bed mud separates and collects device
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Door-in-door type gate
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Machine and gate integrated gate
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Lift bridge
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Track-changeable swamp walking device
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