Lub digger zaum kawg tsav, tseem hu ua qhov kawg tsav, yog ib qho tseem ceeb ntawm cov tshuab hnyav xws li excavators, diggers, bulldozers, thiab cov khoom siv sib xws.Nws lub luag haujlwm tseem ceeb yog hloov lub zog ntawm lub cav mus rau lem lossis lub log ntawm lub tshuab, cia nws mus ...
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